diff --git a/api4/api.go b/api4/api.go
index 3dd7236c3ac8..63d5ad2e0935 100644
--- a/api4/api.go
+++ b/api4/api.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/apitestlib.go b/api4/apitestlib.go
index 3020500f39af..c95f11d01d61 100644
--- a/api4/apitestlib.go
+++ b/api4/apitestlib.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/bot.go b/api4/bot.go
index f5efad1e8a87..3d599ef1baeb 100644
--- a/api4/bot.go
+++ b/api4/bot.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/bot_test.go b/api4/bot_test.go
index e19e2ed86cc6..648b79c16b52 100644
--- a/api4/bot_test.go
+++ b/api4/bot_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/brand.go b/api4/brand.go
index 336cf91dc111..cd7ef48fba39 100644
--- a/api4/brand.go
+++ b/api4/brand.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/brand_test.go b/api4/brand_test.go
index 3d883378785d..8c0e66dfcf30 100644
--- a/api4/brand_test.go
+++ b/api4/brand_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/channel.go b/api4/channel.go
index ed51de2a8295..08369135c475 100644
--- a/api4/channel.go
+++ b/api4/channel.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/channel_test.go b/api4/channel_test.go
index 147fa8e2dfef..955afaf23e3b 100644
--- a/api4/channel_test.go
+++ b/api4/channel_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/cluster.go b/api4/cluster.go
index 3fbd3c79f18c..e476e2d923a5 100644
--- a/api4/cluster.go
+++ b/api4/cluster.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/cluster_test.go b/api4/cluster_test.go
index 04d231acd33a..8cf7506fa1cc 100644
--- a/api4/cluster_test.go
+++ b/api4/cluster_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/command.go b/api4/command.go
index b4eb4601c450..f91721865ed5 100644
--- a/api4/command.go
+++ b/api4/command.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/command_help_test.go b/api4/command_help_test.go
index 73e0e5463e45..0a65d233926c 100644
--- a/api4/command_help_test.go
+++ b/api4/command_help_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/command_test.go b/api4/command_test.go
index 66747a58c2c9..717d91af0f65 100644
--- a/api4/command_test.go
+++ b/api4/command_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/commands_test.go b/api4/commands_test.go
index 8b4246b9c029..551b010aeb58 100644
--- a/api4/commands_test.go
+++ b/api4/commands_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/compliance.go b/api4/compliance.go
index 8a545871f876..41d08bb27f5f 100644
--- a/api4/compliance.go
+++ b/api4/compliance.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/config.go b/api4/config.go
index 24986f848d3c..4d5a04efccdc 100644
--- a/api4/config.go
+++ b/api4/config.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/config_test.go b/api4/config_test.go
index 922828d83ca6..095dea26b500 100644
--- a/api4/config_test.go
+++ b/api4/config_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/cors_test.go b/api4/cors_test.go
index a3e6c768eff9..5595d269467f 100644
--- a/api4/cors_test.go
+++ b/api4/cors_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/data_retention.go b/api4/data_retention.go
index a8930db49dae..a4e297446386 100644
--- a/api4/data_retention.go
+++ b/api4/data_retention.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/data_retention_test.go b/api4/data_retention_test.go
index c7f3eb459c4b..a91637b85dd7 100644
--- a/api4/data_retention_test.go
+++ b/api4/data_retention_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/elasticsearch.go b/api4/elasticsearch.go
index 8175f78170ad..8c7703c01302 100644
--- a/api4/elasticsearch.go
+++ b/api4/elasticsearch.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/elasticsearch_test.go b/api4/elasticsearch_test.go
index bd06b4264080..1bb7f4d8246e 100644
--- a/api4/elasticsearch_test.go
+++ b/api4/elasticsearch_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/emoji.go b/api4/emoji.go
index bcfeb3e65d3a..8ae071c47509 100644
--- a/api4/emoji.go
+++ b/api4/emoji.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/emoji_test.go b/api4/emoji_test.go
index 9681643e7ed1..2d54eedb43fe 100644
--- a/api4/emoji_test.go
+++ b/api4/emoji_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/file.go b/api4/file.go
index 73f7e59eeccc..2a149e173d8e 100644
--- a/api4/file.go
+++ b/api4/file.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/file_test.go b/api4/file_test.go
index 7248ad398bb0..576063bee0d7 100644
--- a/api4/file_test.go
+++ b/api4/file_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/group.go b/api4/group.go
index 302d8657911a..42d3fad8f68d 100644
--- a/api4/group.go
+++ b/api4/group.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/group_test.go b/api4/group_test.go
index 916ae43cf7d6..425ce2cf3b83 100644
--- a/api4/group_test.go
+++ b/api4/group_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/handlers.go b/api4/handlers.go
index 3b2b9d89b752..942d851d9307 100644
--- a/api4/handlers.go
+++ b/api4/handlers.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/handlers_test.go b/api4/handlers_test.go
index 51cd17dce001..9b843e5cadaf 100644
--- a/api4/handlers_test.go
+++ b/api4/handlers_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/helpers.go b/api4/helpers.go
index 6b07a279ce12..f7a16fefe31b 100644
--- a/api4/helpers.go
+++ b/api4/helpers.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/image.go b/api4/image.go
index fb82a7786114..eece83f73f4f 100644
--- a/api4/image.go
+++ b/api4/image.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/image_test.go b/api4/image_test.go
index 6e7e6bb4316f..f93c15dfe131 100644
--- a/api4/image_test.go
+++ b/api4/image_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/integration_action.go b/api4/integration_action.go
index dec2f43f725e..0991aeafbe28 100644
--- a/api4/integration_action.go
+++ b/api4/integration_action.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/integration_action_test.go b/api4/integration_action_test.go
index 12e4fe5d1261..fe858e948a15 100644
--- a/api4/integration_action_test.go
+++ b/api4/integration_action_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/job.go b/api4/job.go
index 289664ba95c6..26b5691a52b5 100644
--- a/api4/job.go
+++ b/api4/job.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/job_test.go b/api4/job_test.go
index cc3b9734c1e1..a430b7195d58 100644
--- a/api4/job_test.go
+++ b/api4/job_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/ldap.go b/api4/ldap.go
index 0846886990e6..e0a25c84bf5c 100644
--- a/api4/ldap.go
+++ b/api4/ldap.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/ldap_test.go b/api4/ldap_test.go
index 99351df0d114..4690148c4e07 100644
--- a/api4/ldap_test.go
+++ b/api4/ldap_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/license.go b/api4/license.go
index 445a51cdff3e..e6cb341c23cd 100644
--- a/api4/license.go
+++ b/api4/license.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/license_test.go b/api4/license_test.go
index f2ab5ddff5bc..bc1fa5fcf14d 100644
--- a/api4/license_test.go
+++ b/api4/license_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/main_test.go b/api4/main_test.go
index f554800069bc..7adb34e618c6 100644
--- a/api4/main_test.go
+++ b/api4/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/oauth.go b/api4/oauth.go
index e893225921b8..6df66a4807a6 100644
--- a/api4/oauth.go
+++ b/api4/oauth.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/oauth_test.go b/api4/oauth_test.go
index 54da44c53407..91a4efdc4af7 100644
--- a/api4/oauth_test.go
+++ b/api4/oauth_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/openGraph.go b/api4/openGraph.go
index 5de4474f8e56..97d66114a083 100644
--- a/api4/openGraph.go
+++ b/api4/openGraph.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/openGraph_test.go b/api4/openGraph_test.go
index 3faf17e4b79d..dd9a8e540705 100644
--- a/api4/openGraph_test.go
+++ b/api4/openGraph_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/plugin.go b/api4/plugin.go
index 8b708e25cf9b..6e74ec2d1fa3 100644
--- a/api4/plugin.go
+++ b/api4/plugin.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // EXPERIMENTAL - SUBJECT TO CHANGE
 
diff --git a/api4/plugin_test.go b/api4/plugin_test.go
index 504b1da87ce3..84a9c471ca70 100644
--- a/api4/plugin_test.go
+++ b/api4/plugin_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/post.go b/api4/post.go
index d297fc9d7fc5..7926edfa087c 100644
--- a/api4/post.go
+++ b/api4/post.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/post_test.go b/api4/post_test.go
index 5fb538d04686..ab42dd76ce35 100644
--- a/api4/post_test.go
+++ b/api4/post_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/preference.go b/api4/preference.go
index e5880efaf9a9..8dc4a35ee206 100644
--- a/api4/preference.go
+++ b/api4/preference.go
@@ -1,5 +1,5 @@
-// // Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// // See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/preference_test.go b/api4/preference_test.go
index 86786ee88efd..61d25382536e 100644
--- a/api4/preference_test.go
+++ b/api4/preference_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/reaction.go b/api4/reaction.go
index bb81bb11ceaf..4a781c683f1c 100644
--- a/api4/reaction.go
+++ b/api4/reaction.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/reaction_test.go b/api4/reaction_test.go
index 2f063bd21947..6cad5ea054a6 100644
--- a/api4/reaction_test.go
+++ b/api4/reaction_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/role.go b/api4/role.go
index 001036e33e94..85b4c2fc1310 100644
--- a/api4/role.go
+++ b/api4/role.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/role_test.go b/api4/role_test.go
index 07edbdae083a..ff9f3785b309 100644
--- a/api4/role_test.go
+++ b/api4/role_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/saml.go b/api4/saml.go
index 6b403a732e7f..cb9f24fbfc8b 100644
--- a/api4/saml.go
+++ b/api4/saml.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/saml_test.go b/api4/saml_test.go
index 57383afba793..655a0eb9e714 100644
--- a/api4/saml_test.go
+++ b/api4/saml_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/scheme.go b/api4/scheme.go
index 9cd9618b4d81..3b9259cc72db 100644
--- a/api4/scheme.go
+++ b/api4/scheme.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/scheme_test.go b/api4/scheme_test.go
index 1a4f63de3013..bad242a4aa26 100644
--- a/api4/scheme_test.go
+++ b/api4/scheme_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/status.go b/api4/status.go
index c01bfda2055d..1288b9fcb976 100644
--- a/api4/status.go
+++ b/api4/status.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/status_test.go b/api4/status_test.go
index ac2c43ed5b84..befb65cd2403 100644
--- a/api4/status_test.go
+++ b/api4/status_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/system.go b/api4/system.go
index 3601aa95e3a1..c5a1ea5a484e 100644
--- a/api4/system.go
+++ b/api4/system.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/system_test.go b/api4/system_test.go
index 3a3dcbc26992..e6fc585853a6 100644
--- a/api4/system_test.go
+++ b/api4/system_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/team.go b/api4/team.go
index 4afcf45127a0..ef25a918b122 100644
--- a/api4/team.go
+++ b/api4/team.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/team_test.go b/api4/team_test.go
index 71621a429156..1861868c1fa0 100644
--- a/api4/team_test.go
+++ b/api4/team_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/terms_of_service.go b/api4/terms_of_service.go
index 560c0f1f7e0c..681ca3e7d50a 100644
--- a/api4/terms_of_service.go
+++ b/api4/terms_of_service.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/terms_of_service_test.go b/api4/terms_of_service_test.go
index 00a9b6721f94..c9dd2de20023 100644
--- a/api4/terms_of_service_test.go
+++ b/api4/terms_of_service_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/user.go b/api4/user.go
index ad1aa000100b..a68a03441a40 100644
--- a/api4/user.go
+++ b/api4/user.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/user_test.go b/api4/user_test.go
index e7f0ca8b6ea0..8246dac69893 100644
--- a/api4/user_test.go
+++ b/api4/user_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/user_viewmembers_test.go b/api4/user_viewmembers_test.go
index 73066479451e..5548095798ec 100644
--- a/api4/user_viewmembers_test.go
+++ b/api4/user_viewmembers_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package api4
 
 import (
diff --git a/api4/webhook.go b/api4/webhook.go
index 5cef95b93e4a..c5c7a42f095d 100644
--- a/api4/webhook.go
+++ b/api4/webhook.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/webhook_test.go b/api4/webhook_test.go
index d2afa7ca88aa..2a4012971ef5 100644
--- a/api4/webhook_test.go
+++ b/api4/webhook_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/websocket.go b/api4/websocket.go
index 4d458bfda70e..ac8b7fe62a73 100644
--- a/api4/websocket.go
+++ b/api4/websocket.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/api4/websocket_test.go b/api4/websocket_test.go
index a90ff8df28a9..f48f25624162 100644
--- a/api4/websocket_test.go
+++ b/api4/websocket_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package api4
 
diff --git a/app/admin.go b/app/admin.go
index 6169dc5e62a2..3a69995da58d 100644
--- a/app/admin.go
+++ b/app/admin.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/analytics.go b/app/analytics.go
index 4a01743949ec..0b44e2e55fee 100644
--- a/app/analytics.go
+++ b/app/analytics.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/app.go b/app/app.go
index fd94a2032239..1c0fab26ab9c 100644
--- a/app/app.go
+++ b/app/app.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/app_test.go b/app/app_test.go
index a294a916d14c..d2365a49f77c 100644
--- a/app/app_test.go
+++ b/app/app_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/audit.go b/app/audit.go
index 8e8847c7453d..d492a8334177 100644
--- a/app/audit.go
+++ b/app/audit.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/authentication.go b/app/authentication.go
index fbd232d5934e..45749309b581 100644
--- a/app/authentication.go
+++ b/app/authentication.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/authentication_test.go b/app/authentication_test.go
index 4daa77b962e3..459ec18f96a9 100644
--- a/app/authentication_test.go
+++ b/app/authentication_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/authorization.go b/app/authorization.go
index 8b655e77f591..f0e98b4fc9dd 100644
--- a/app/authorization.go
+++ b/app/authorization.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/authorization_test.go b/app/authorization_test.go
index bf4f8a8ab3d0..96e2310455ce 100644
--- a/app/authorization_test.go
+++ b/app/authorization_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_channels.go b/app/auto_channels.go
index 74f1c82da758..4f176cff559e 100644
--- a/app/auto_channels.go
+++ b/app/auto_channels.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_constants.go b/app/auto_constants.go
index 0f86d3e0815d..668019c6dd3c 100644
--- a/app/auto_constants.go
+++ b/app/auto_constants.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_environment.go b/app/auto_environment.go
index 7d6781c96e17..f46c5e7846bb 100644
--- a/app/auto_environment.go
+++ b/app/auto_environment.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_posts.go b/app/auto_posts.go
index 2707a77d0599..15a6b76d3b27 100644
--- a/app/auto_posts.go
+++ b/app/auto_posts.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_responder.go b/app/auto_responder.go
index c4c4deb45c93..49b2d843fb44 100644
--- a/app/auto_responder.go
+++ b/app/auto_responder.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_responder_test.go b/app/auto_responder_test.go
index cec5bf8386b6..dcca57964eae 100644
--- a/app/auto_responder_test.go
+++ b/app/auto_responder_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_teams.go b/app/auto_teams.go
index 1ace888a9979..ce1a690a900a 100644
--- a/app/auto_teams.go
+++ b/app/auto_teams.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/auto_users.go b/app/auto_users.go
index 56253d1c5a59..b86f4d3075d3 100644
--- a/app/auto_users.go
+++ b/app/auto_users.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/bot.go b/app/bot.go
index 964b2d450c69..3c051fbf2e4e 100644
--- a/app/bot.go
+++ b/app/bot.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/bot_test.go b/app/bot_test.go
index b6fa64c2fb36..df9cbae43c28 100644
--- a/app/bot_test.go
+++ b/app/bot_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/brand.go b/app/brand.go
index 95e05a6bacc0..1a8d5795febc 100644
--- a/app/brand.go
+++ b/app/brand.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/busy.go b/app/busy.go
index a52d973beb5a..a6dde358db5f 100644
--- a/app/busy.go
+++ b/app/busy.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/busy_test.go b/app/busy_test.go
index 087abbf0e586..b7f8a3aa793a 100644
--- a/app/busy_test.go
+++ b/app/busy_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/channel.go b/app/channel.go
index cba7e9ef5f1c..9fe6219283d0 100644
--- a/app/channel.go
+++ b/app/channel.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/channel_test.go b/app/channel_test.go
index 133e0ad6995c..fc546bbcb50e 100644
--- a/app/channel_test.go
+++ b/app/channel_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/cluster.go b/app/cluster.go
index 8dc9269bb277..5ca16c936430 100644
--- a/app/cluster.go
+++ b/app/cluster.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/cluster_discovery.go b/app/cluster_discovery.go
index 133ea3aac0d3..9cd8d18fd993 100644
--- a/app/cluster_discovery.go
+++ b/app/cluster_discovery.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/cluster_discovery_test.go b/app/cluster_discovery_test.go
index b75cb895f4c0..ff1cb5341948 100644
--- a/app/cluster_discovery_test.go
+++ b/app/cluster_discovery_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/cluster_handlers.go b/app/cluster_handlers.go
index 5787b084b0e1..71c2417afad8 100644
--- a/app/cluster_handlers.go
+++ b/app/cluster_handlers.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command.go b/app/command.go
index 599ee88cc8af..eba75cb1dfa1 100644
--- a/app/command.go
+++ b/app/command.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_away.go b/app/command_away.go
index ae4e6cc382b4..61f6bf5ab629 100644
--- a/app/command_away.go
+++ b/app/command_away.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_header.go b/app/command_channel_header.go
index fbacd7dd7e2d..5ddddac01200 100644
--- a/app/command_channel_header.go
+++ b/app/command_channel_header.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_header_test.go b/app/command_channel_header_test.go
index 05cfb126797b..0af2571ba1e8 100644
--- a/app/command_channel_header_test.go
+++ b/app/command_channel_header_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_purpose.go b/app/command_channel_purpose.go
index f143fa24f26b..dec699b45a2d 100644
--- a/app/command_channel_purpose.go
+++ b/app/command_channel_purpose.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_purpose_test.go b/app/command_channel_purpose_test.go
index 93079725e9cc..1c4b4070c7c7 100644
--- a/app/command_channel_purpose_test.go
+++ b/app/command_channel_purpose_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_rename.go b/app/command_channel_rename.go
index a96a4ffb8def..0ffbc1b63d57 100644
--- a/app/command_channel_rename.go
+++ b/app/command_channel_rename.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_channel_rename_test.go b/app/command_channel_rename_test.go
index 9a8f81fdb381..3cf81af855f1 100644
--- a/app/command_channel_rename_test.go
+++ b/app/command_channel_rename_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_code.go b/app/command_code.go
index 73c2e6a347c0..04ac57dd0089 100644
--- a/app/command_code.go
+++ b/app/command_code.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_code_test.go b/app/command_code_test.go
index 890fa9122f98..66980f1ff10a 100644
--- a/app/command_code_test.go
+++ b/app/command_code_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/command_dnd.go b/app/command_dnd.go
index f45959a65426..c911e402e08b 100644
--- a/app/command_dnd.go
+++ b/app/command_dnd.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_echo.go b/app/command_echo.go
index 31978bba4e73..b9f7c4f1b798 100644
--- a/app/command_echo.go
+++ b/app/command_echo.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_expand_collapse.go b/app/command_expand_collapse.go
index b09037dead76..9df53d30f553 100644
--- a/app/command_expand_collapse.go
+++ b/app/command_expand_collapse.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_groupmsg.go b/app/command_groupmsg.go
index 218e3a1ebaac..bf4a2040ba45 100644
--- a/app/command_groupmsg.go
+++ b/app/command_groupmsg.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_groupmsg_test.go b/app/command_groupmsg_test.go
index 08fa547124a1..d35b5a20cbe9 100644
--- a/app/command_groupmsg_test.go
+++ b/app/command_groupmsg_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/command_help.go b/app/command_help.go
index a783187ca48f..8465b1dad490 100644
--- a/app/command_help.go
+++ b/app/command_help.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_invite.go b/app/command_invite.go
index eca6dab5166d..ca8bd56b762c 100644
--- a/app/command_invite.go
+++ b/app/command_invite.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_invite_people.go b/app/command_invite_people.go
index e4d6530634c2..b91e9074fa6f 100644
--- a/app/command_invite_people.go
+++ b/app/command_invite_people.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_invite_people_test.go b/app/command_invite_people_test.go
index 140477ad140a..10ca5a3094f0 100644
--- a/app/command_invite_people_test.go
+++ b/app/command_invite_people_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_invite_test.go b/app/command_invite_test.go
index 75c47b33c527..becf776f1e80 100644
--- a/app/command_invite_test.go
+++ b/app/command_invite_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_join.go b/app/command_join.go
index 87643127d6cc..4e79b57b3450 100644
--- a/app/command_join.go
+++ b/app/command_join.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_join_test.go b/app/command_join_test.go
index 676c45f9b3b5..3dee394e03aa 100644
--- a/app/command_join_test.go
+++ b/app/command_join_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_leave.go b/app/command_leave.go
index 8d70efae8ae3..05db20afa06a 100644
--- a/app/command_leave.go
+++ b/app/command_leave.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_leave_test.go b/app/command_leave_test.go
index 47ac23bed9f2..1da6f3bd234b 100644
--- a/app/command_leave_test.go
+++ b/app/command_leave_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_loadtest.go b/app/command_loadtest.go
index 7d48263a6b17..6b44628ac6c8 100644
--- a/app/command_loadtest.go
+++ b/app/command_loadtest.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_logout.go b/app/command_logout.go
index ad44565173fb..e12de2f05abc 100644
--- a/app/command_logout.go
+++ b/app/command_logout.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_me.go b/app/command_me.go
index 912b9e5f5baf..cc4c89de29c4 100644
--- a/app/command_me.go
+++ b/app/command_me.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_me_test.go b/app/command_me_test.go
index 7fbedb6cfd34..1449ce9b66a4 100644
--- a/app/command_me_test.go
+++ b/app/command_me_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/command_msg.go b/app/command_msg.go
index b71f15cf25d2..d19e6a5a9d8c 100644
--- a/app/command_msg.go
+++ b/app/command_msg.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_msg_test.go b/app/command_msg_test.go
index 92ddecf603da..8673215261b9 100644
--- a/app/command_msg_test.go
+++ b/app/command_msg_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_mute.go b/app/command_mute.go
index aea15269dc76..e9d888664d8e 100644
--- a/app/command_mute.go
+++ b/app/command_mute.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_mute_test.go b/app/command_mute_test.go
index fd35888f0fa1..a5927d9ded1b 100644
--- a/app/command_mute_test.go
+++ b/app/command_mute_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_offline.go b/app/command_offline.go
index efc91c55c207..5e8e0924de98 100644
--- a/app/command_offline.go
+++ b/app/command_offline.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_online.go b/app/command_online.go
index 3aa9be72cbf6..35a558867a73 100644
--- a/app/command_online.go
+++ b/app/command_online.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_open.go b/app/command_open.go
index bceceff2442d..e9b8aac74fe0 100644
--- a/app/command_open.go
+++ b/app/command_open.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_remove.go b/app/command_remove.go
index 80fcf82f8da6..df2a140a3605 100644
--- a/app/command_remove.go
+++ b/app/command_remove.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_remove_test.go b/app/command_remove_test.go
index 938d339c60c1..2b33ba697f38 100644
--- a/app/command_remove_test.go
+++ b/app/command_remove_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_search.go b/app/command_search.go
index 49c760ca5b91..0616f6ba4397 100644
--- a/app/command_search.go
+++ b/app/command_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_settings.go b/app/command_settings.go
index b9005b61d4f7..8e9cc030ed79 100644
--- a/app/command_settings.go
+++ b/app/command_settings.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_shortcuts.go b/app/command_shortcuts.go
index 0d6e6f58ff9b..80df91506eda 100644
--- a/app/command_shortcuts.go
+++ b/app/command_shortcuts.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_shrug.go b/app/command_shrug.go
index b8488ec2a9ac..2cd3238b95d4 100644
--- a/app/command_shrug.go
+++ b/app/command_shrug.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/command_test.go b/app/command_test.go
index 47291d53748e..554b94a1ba41 100644
--- a/app/command_test.go
+++ b/app/command_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/compliance.go b/app/compliance.go
index e102881502b8..ae4e755e7ff8 100644
--- a/app/compliance.go
+++ b/app/compliance.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/config.go b/app/config.go
index 43b146325347..50abb7a5bf24 100644
--- a/app/config.go
+++ b/app/config.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/config_test.go b/app/config_test.go
index 73f8ed4cf2c1..f2258e569732 100644
--- a/app/config_test.go
+++ b/app/config_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/data_retention.go b/app/data_retention.go
index e7b8b3aa71cd..a404513df522 100644
--- a/app/data_retention.go
+++ b/app/data_retention.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/diagnostics.go b/app/diagnostics.go
index a1655454aa23..56340f8da152 100644
--- a/app/diagnostics.go
+++ b/app/diagnostics.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/diagnostics_test.go b/app/diagnostics_test.go
index b56e166ba652..07d8b5c60455 100644
--- a/app/diagnostics_test.go
+++ b/app/diagnostics_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/elasticsearch.go b/app/elasticsearch.go
index 7c2bcafc5316..2f7d6b2fb86e 100644
--- a/app/elasticsearch.go
+++ b/app/elasticsearch.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/email.go b/app/email.go
index 65c4fc5cfcee..5ff5e455dc31 100644
--- a/app/email.go
+++ b/app/email.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/email_batching.go b/app/email_batching.go
index f9f8021fb577..664a40f96df1 100644
--- a/app/email_batching.go
+++ b/app/email_batching.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/email_batching_test.go b/app/email_batching_test.go
index 5bda1a75e87f..e7251114798e 100644
--- a/app/email_batching_test.go
+++ b/app/email_batching_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/email_test.go b/app/email_test.go
index 206d370e959e..0bec302581d1 100644
--- a/app/email_test.go
+++ b/app/email_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/emoji.go b/app/emoji.go
index af167b25498c..a182c0d6ce61 100644
--- a/app/emoji.go
+++ b/app/emoji.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/enterprise.go b/app/enterprise.go
index 77132bb06110..745294d26e90 100644
--- a/app/enterprise.go
+++ b/app/enterprise.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/export.go b/app/export.go
index cb7fa27f675c..a6d35e84caaf 100644
--- a/app/export.go
+++ b/app/export.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/export_converters.go b/app/export_converters.go
index df1ae29f87a6..876d8666b339 100644
--- a/app/export_converters.go
+++ b/app/export_converters.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/export_test.go b/app/export_test.go
index 29733780ff54..47e14620c45f 100644
--- a/app/export_test.go
+++ b/app/export_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/file.go b/app/file.go
index 6a063f259695..0b934e13d7ee 100644
--- a/app/file.go
+++ b/app/file.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/file_bench_test.go b/app/file_bench_test.go
index f6f40edfd70d..73a18495b45b 100644
--- a/app/file_bench_test.go
+++ b/app/file_bench_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/file_test.go b/app/file_test.go
index a4735f66c4f2..7f3c96812f13 100644
--- a/app/file_test.go
+++ b/app/file_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/group.go b/app/group.go
index 4e23a0b36156..76ae9ed5e043 100644
--- a/app/group.go
+++ b/app/group.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/group_test.go b/app/group_test.go
index cd5512b4f303..e0da9e4843de 100644
--- a/app/group_test.go
+++ b/app/group_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/helper_test.go b/app/helper_test.go
index 1538773d4a3f..f758c7883c2f 100644
--- a/app/helper_test.go
+++ b/app/helper_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import.go b/app/import.go
index 59f162faccc1..c92726a4f682 100644
--- a/app/import.go
+++ b/app/import.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_functions.go b/app/import_functions.go
index cdf67e709139..47aaf2435700 100644
--- a/app/import_functions.go
+++ b/app/import_functions.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_functions_test.go b/app/import_functions_test.go
index 5a3bf3b25348..606f12d5136d 100644
--- a/app/import_functions_test.go
+++ b/app/import_functions_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_test.go b/app/import_test.go
index d5ab2e0e3c68..d099241bd3d9 100644
--- a/app/import_test.go
+++ b/app/import_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_types.go b/app/import_types.go
index 61e083ebeb3e..5577c5149302 100644
--- a/app/import_types.go
+++ b/app/import_types.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_validators.go b/app/import_validators.go
index 2791361b1cea..5243d100e628 100644
--- a/app/import_validators.go
+++ b/app/import_validators.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/import_validators_test.go b/app/import_validators_test.go
index 6ddc5c126297..a79c9cdaf0e8 100644
--- a/app/import_validators_test.go
+++ b/app/import_validators_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/integration_action.go b/app/integration_action.go
index bffc1653ca3a..603d906a47f8 100644
--- a/app/integration_action.go
+++ b/app/integration_action.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // Integration Action Flow
 //
diff --git a/app/integration_action_test.go b/app/integration_action_test.go
index 9773694126fe..aef7f9bed387 100644
--- a/app/integration_action_test.go
+++ b/app/integration_action_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/job.go b/app/job.go
index 7ee060aaa9fd..c38e6f6239cd 100644
--- a/app/job.go
+++ b/app/job.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/job_test.go b/app/job_test.go
index 4dc70ff20ff9..c8a5a57ae5d5 100644
--- a/app/job_test.go
+++ b/app/job_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/ldap.go b/app/ldap.go
index 65b6087a49b5..b040d2127ed8 100644
--- a/app/ldap.go
+++ b/app/ldap.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/license.go b/app/license.go
index 285b57fc2b73..89222664128a 100644
--- a/app/license.go
+++ b/app/license.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/license_test.go b/app/license_test.go
index 0d0ede59d777..286f9019abdc 100644
--- a/app/license_test.go
+++ b/app/license_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/login.go b/app/login.go
index a273d5669278..5993c2bf26ee 100644
--- a/app/login.go
+++ b/app/login.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/login_test.go b/app/login_test.go
index 7cd9523f8378..23f7a55707b1 100644
--- a/app/login_test.go
+++ b/app/login_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/main_test.go b/app/main_test.go
index 2d13879d0c3b..562b67642209 100644
--- a/app/main_test.go
+++ b/app/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/migrations.go b/app/migrations.go
index 4515dce45a73..067e194f8141 100644
--- a/app/migrations.go
+++ b/app/migrations.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification.go b/app/notification.go
index e18ca2b9b1df..d18b8b0ee24c 100644
--- a/app/notification.go
+++ b/app/notification.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification_email.go b/app/notification_email.go
index a3a4f40b8551..5da7fc5ddfd2 100644
--- a/app/notification_email.go
+++ b/app/notification_email.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification_email_test.go b/app/notification_email_test.go
index eeb76048d743..c15dd9f1eb7b 100644
--- a/app/notification_email_test.go
+++ b/app/notification_email_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification_push.go b/app/notification_push.go
index 321e01acd42c..d6bd1bbdf143 100644
--- a/app/notification_push.go
+++ b/app/notification_push.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification_push_test.go b/app/notification_push_test.go
index 7609ad0a65cd..a7db86e39515 100644
--- a/app/notification_push_test.go
+++ b/app/notification_push_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/notification_test.go b/app/notification_test.go
index db5b849552ec..686f3a1f2659 100644
--- a/app/notification_test.go
+++ b/app/notification_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/oauth.go b/app/oauth.go
index 0601caa4fa27..6f4c1ce9a74c 100644
--- a/app/oauth.go
+++ b/app/oauth.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/oauth_test.go b/app/oauth_test.go
index 0dd5837717bf..faffc5896aa0 100644
--- a/app/oauth_test.go
+++ b/app/oauth_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/opengraph.go b/app/opengraph.go
index 151349490a7a..a09c70c3bc9f 100644
--- a/app/opengraph.go
+++ b/app/opengraph.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/opengraph_test.go b/app/opengraph_test.go
index cd93fb7bca29..f0e42339d854 100644
--- a/app/opengraph_test.go
+++ b/app/opengraph_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/options.go b/app/options.go
index 7cbfa9f83fa3..28a7f4bc71f7 100644
--- a/app/options.go
+++ b/app/options.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/permissions.go b/app/permissions.go
index b2ce48453822..5c16a26b1877 100644
--- a/app/permissions.go
+++ b/app/permissions.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/permissions_migrations.go b/app/permissions_migrations.go
index d656c39028ec..5e5561f69285 100644
--- a/app/permissions_migrations.go
+++ b/app/permissions_migrations.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/permissions_migrations_test.go b/app/permissions_migrations_test.go
index a02904764dee..07a98860ffeb 100644
--- a/app/permissions_migrations_test.go
+++ b/app/permissions_migrations_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/permissions_test.go b/app/permissions_test.go
index 78882695f2b1..6d0c818f19f5 100644
--- a/app/permissions_test.go
+++ b/app/permissions_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/plugin.go b/app/plugin.go
index efe403b18621..305c0fed38bb 100644
--- a/app/plugin.go
+++ b/app/plugin.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_api.go b/app/plugin_api.go
index 49e4e0c593e1..0e6d8c3374ad 100644
--- a/app/plugin_api.go
+++ b/app/plugin_api.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_api_test.go b/app/plugin_api_test.go
index 8400c43894df..93414e5c21b0 100644
--- a/app/plugin_api_test.go
+++ b/app/plugin_api_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_api_test/plugin_using_log_api.go b/app/plugin_api_test/plugin_using_log_api.go
index 08900b2a10e9..f3d25b38cfa0 100644
--- a/app/plugin_api_test/plugin_using_log_api.go
+++ b/app/plugin_api_test/plugin_using_log_api.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/app/plugin_commands_test.go b/app/plugin_commands_test.go
index c4597e96f00b..44700e335f26 100644
--- a/app/plugin_commands_test.go
+++ b/app/plugin_commands_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_context.go b/app/plugin_context.go
index 7901f57fcc07..1276fe10e54d 100644
--- a/app/plugin_context.go
+++ b/app/plugin_context.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_deadlock_test.go b/app/plugin_deadlock_test.go
index c98ede3fc2dc..e46cf42f34d3 100644
--- a/app/plugin_deadlock_test.go
+++ b/app/plugin_deadlock_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_hooks_test.go b/app/plugin_hooks_test.go
index baf3b6df72b8..e9b4b5140b8c 100644
--- a/app/plugin_hooks_test.go
+++ b/app/plugin_hooks_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_install_test.go b/app/plugin_install_test.go
index 94348c6783a4..43262e5cbef7 100644
--- a/app/plugin_install_test.go
+++ b/app/plugin_install_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/plugin_public_keys.go b/app/plugin_public_keys.go
index cec41201ea18..218473b66aea 100644
--- a/app/plugin_public_keys.go
+++ b/app/plugin_public_keys.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_shutdown_test.go b/app/plugin_shutdown_test.go
index 92a29122322f..9cc618c8c8a2 100644
--- a/app/plugin_shutdown_test.go
+++ b/app/plugin_shutdown_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/plugin_signature_test.go b/app/plugin_signature_test.go
index b6f834616369..44dba206ef7a 100644
--- a/app/plugin_signature_test.go
+++ b/app/plugin_signature_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/plugin_test.go b/app/plugin_test.go
index 42d3a571da4b..1f4a42bf8702 100644
--- a/app/plugin_test.go
+++ b/app/plugin_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/post.go b/app/post.go
index 4f8b4dafe9a9..58947afe4f7e 100644
--- a/app/post.go
+++ b/app/post.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/post_metadata.go b/app/post_metadata.go
index 8a4b171a855d..a48457f09617 100644
--- a/app/post_metadata.go
+++ b/app/post_metadata.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/post_metadata_test.go b/app/post_metadata_test.go
index 27c704576de5..87f20b69c519 100644
--- a/app/post_metadata_test.go
+++ b/app/post_metadata_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/post_test.go b/app/post_test.go
index 1568facea763..b1a6da895d97 100644
--- a/app/post_test.go
+++ b/app/post_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/preference.go b/app/preference.go
index 61307b36fec5..8f7acfb05f88 100644
--- a/app/preference.go
+++ b/app/preference.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/ratelimit.go b/app/ratelimit.go
index f7c77bca0a92..8f11aff686a9 100644
--- a/app/ratelimit.go
+++ b/app/ratelimit.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/ratelimit_test.go b/app/ratelimit_test.go
index d0e396948415..99dd9834873c 100644
--- a/app/ratelimit_test.go
+++ b/app/ratelimit_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/reaction.go b/app/reaction.go
index 1f235bde0bba..dd614c6114c1 100644
--- a/app/reaction.go
+++ b/app/reaction.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/response_transfer.go b/app/response_transfer.go
index 3f28e2c17caf..624d940a3f52 100644
--- a/app/response_transfer.go
+++ b/app/response_transfer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/role.go b/app/role.go
index 08e86330ea09..cfa8994466c9 100644
--- a/app/role.go
+++ b/app/role.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/saml.go b/app/saml.go
index 93d2c65d5f6a..5b725c02efb7 100644
--- a/app/saml.go
+++ b/app/saml.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/scheme.go b/app/scheme.go
index 893fbd08d7da..75d3f3dcb0e1 100644
--- a/app/scheme.go
+++ b/app/scheme.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/security_update_check.go b/app/security_update_check.go
index a10febe2f3a7..91c393860a45 100644
--- a/app/security_update_check.go
+++ b/app/security_update_check.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/server.go b/app/server.go
index d2647178a35b..f5185b5974bf 100644
--- a/app/server.go
+++ b/app/server.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/server_app_adapters.go b/app/server_app_adapters.go
index 048c88be2f8b..bfa2dcd44987 100644
--- a/app/server_app_adapters.go
+++ b/app/server_app_adapters.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/server_license.go b/app/server_license.go
index a8e3dd2df4f8..54b3c2fead81 100644
--- a/app/server_license.go
+++ b/app/server_license.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/server_test.go b/app/server_test.go
index aeb0e8403675..c6e8b8e59dc6 100644
--- a/app/server_test.go
+++ b/app/server_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/session.go b/app/session.go
index 8f9e78bed62a..511e71a3b14a 100644
--- a/app/session.go
+++ b/app/session.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/session_test.go b/app/session_test.go
index 291e7a43a28f..645605db3d39 100644
--- a/app/session_test.go
+++ b/app/session_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/slack.go b/app/slack.go
index 9fed721faea0..68987e1efeda 100644
--- a/app/slack.go
+++ b/app/slack.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/slack_test.go b/app/slack_test.go
index 5f0ad311164c..b7c73d1a475d 100644
--- a/app/slack_test.go
+++ b/app/slack_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/slackimport.go b/app/slackimport.go
index e409b927497f..6e066ff445cc 100644
--- a/app/slackimport.go
+++ b/app/slackimport.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/slackimport_test.go b/app/slackimport_test.go
index 992e639f254f..902f668094c4 100644
--- a/app/slackimport_test.go
+++ b/app/slackimport_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/status.go b/app/status.go
index b17321c741aa..8553b6476722 100644
--- a/app/status.go
+++ b/app/status.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/status_test.go b/app/status_test.go
index e8d0b4266458..7ad55eec9806 100644
--- a/app/status_test.go
+++ b/app/status_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/svg.go b/app/svg.go
index 8aeb7e74b7ae..a5825a6f3c4d 100644
--- a/app/svg.go
+++ b/app/svg.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/svg_test.go b/app/svg_test.go
index 895512e1f485..923c8b25f919 100644
--- a/app/svg_test.go
+++ b/app/svg_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/syncables.go b/app/syncables.go
index be44b47eedef..79c0a997414e 100644
--- a/app/syncables.go
+++ b/app/syncables.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/syncables_test.go b/app/syncables_test.go
index 7530296a77c0..995ef1d2bf0d 100644
--- a/app/syncables_test.go
+++ b/app/syncables_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/team.go b/app/team.go
index 0b371062a8cd..341a392ee7ef 100644
--- a/app/team.go
+++ b/app/team.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/team_test.go b/app/team_test.go
index 8313aa914c9b..5fc63d09336c 100644
--- a/app/team_test.go
+++ b/app/team_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/terms_of_service.go b/app/terms_of_service.go
index b1c71ff9b04e..0dcf4c336511 100644
--- a/app/terms_of_service.go
+++ b/app/terms_of_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/user.go b/app/user.go
index 772a44c2092e..579e1da2652c 100644
--- a/app/user.go
+++ b/app/user.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/user_agent_test.go b/app/user_agent_test.go
index 818ddf4a67e5..b9514d6069cd 100644
--- a/app/user_agent_test.go
+++ b/app/user_agent_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/user_terms_of_service.go b/app/user_terms_of_service.go
index 5ba01bc3c899..caa45165e2bf 100644
--- a/app/user_terms_of_service.go
+++ b/app/user_terms_of_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/user_terms_of_service_test.go b/app/user_terms_of_service_test.go
index 219cccef0877..d836d3e40510 100644
--- a/app/user_terms_of_service_test.go
+++ b/app/user_terms_of_service_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/user_test.go b/app/user_test.go
index 8563c381fe02..34fc120f2c30 100644
--- a/app/user_test.go
+++ b/app/user_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/user_viewmembers_test.go b/app/user_viewmembers_test.go
index 641dae48fa7b..2a55a506c7c4 100644
--- a/app/user_viewmembers_test.go
+++ b/app/user_viewmembers_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/web_conn.go b/app/web_conn.go
index 839b898d7a84..c66d9f4f84d2 100644
--- a/app/web_conn.go
+++ b/app/web_conn.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/web_conn_test.go b/app/web_conn_test.go
index c8d6a0f8af83..0ce996941b6e 100644
--- a/app/web_conn_test.go
+++ b/app/web_conn_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/web_hub.go b/app/web_hub.go
index eb76b8d20056..dcf5549d4b3d 100644
--- a/app/web_hub.go
+++ b/app/web_hub.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/web_hub_test.go b/app/web_hub_test.go
index 1002eb050add..c145cca228a5 100644
--- a/app/web_hub_test.go
+++ b/app/web_hub_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package app
 
 import (
diff --git a/app/webhook.go b/app/webhook.go
index 31c675598fd1..f3ee8915162b 100644
--- a/app/webhook.go
+++ b/app/webhook.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/webhook_test.go b/app/webhook_test.go
index 9a9f534ed14b..6f0bd4b4b18e 100644
--- a/app/webhook_test.go
+++ b/app/webhook_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/app/websocket_router.go b/app/websocket_router.go
index 3e30b0633a09..bdb758c0b2b7 100644
--- a/app/websocket_router.go
+++ b/app/websocket_router.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package app
 
diff --git a/cmd/mattermost/commands/channel.go b/cmd/mattermost/commands/channel.go
index 85efefd35e6e..fe9a039367d2 100644
--- a/cmd/mattermost/commands/channel.go
+++ b/cmd/mattermost/commands/channel.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/channel_test.go b/cmd/mattermost/commands/channel_test.go
index bd7d18dffeb2..b0ef798b6ffb 100644
--- a/cmd/mattermost/commands/channel_test.go
+++ b/cmd/mattermost/commands/channel_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/channelargs.go b/cmd/mattermost/commands/channelargs.go
index e26b30c13f8c..ce65aaba1f68 100644
--- a/cmd/mattermost/commands/channelargs.go
+++ b/cmd/mattermost/commands/channelargs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/cmdtestlib.go b/cmd/mattermost/commands/cmdtestlib.go
index 27ea7534b3cc..e1611a10f08c 100644
--- a/cmd/mattermost/commands/cmdtestlib.go
+++ b/cmd/mattermost/commands/cmdtestlib.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/command.go b/cmd/mattermost/commands/command.go
index ab7a99050ba5..3697135fbf0c 100644
--- a/cmd/mattermost/commands/command.go
+++ b/cmd/mattermost/commands/command.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/command_test.go b/cmd/mattermost/commands/command_test.go
index e5e130c2b8c1..31f864f5fb78 100644
--- a/cmd/mattermost/commands/command_test.go
+++ b/cmd/mattermost/commands/command_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/commandargs.go b/cmd/mattermost/commands/commandargs.go
index 48e5134d9398..fe497f2bf6bf 100644
--- a/cmd/mattermost/commands/commandargs.go
+++ b/cmd/mattermost/commands/commandargs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/config.go b/cmd/mattermost/commands/config.go
index d30e83abb8e1..486fa6e955f2 100644
--- a/cmd/mattermost/commands/config.go
+++ b/cmd/mattermost/commands/config.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/config_flag_test.go b/cmd/mattermost/commands/config_flag_test.go
index 48c2aeeb4860..82554ecb67db 100644
--- a/cmd/mattermost/commands/config_flag_test.go
+++ b/cmd/mattermost/commands/config_flag_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/config_test.go b/cmd/mattermost/commands/config_test.go
index 509fe9606626..8260a9c2ebcd 100644
--- a/cmd/mattermost/commands/config_test.go
+++ b/cmd/mattermost/commands/config_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/exec_command_test.go b/cmd/mattermost/commands/exec_command_test.go
index c1c61f3828af..a5eed09a92b9 100644
--- a/cmd/mattermost/commands/exec_command_test.go
+++ b/cmd/mattermost/commands/exec_command_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/export.go b/cmd/mattermost/commands/export.go
index 869b6794bead..a5fdb579c934 100644
--- a/cmd/mattermost/commands/export.go
+++ b/cmd/mattermost/commands/export.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/export_test.go b/cmd/mattermost/commands/export_test.go
index 23e5641068d3..802d477c25f5 100644
--- a/cmd/mattermost/commands/export_test.go
+++ b/cmd/mattermost/commands/export_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/group.go b/cmd/mattermost/commands/group.go
index 4c6f2f3b0e26..9a3dccca8c08 100644
--- a/cmd/mattermost/commands/group.go
+++ b/cmd/mattermost/commands/group.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/group_test.go b/cmd/mattermost/commands/group_test.go
index 604df2437845..dcdb83197a36 100644
--- a/cmd/mattermost/commands/group_test.go
+++ b/cmd/mattermost/commands/group_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/import.go b/cmd/mattermost/commands/import.go
index 27779921c2af..271714a9e357 100644
--- a/cmd/mattermost/commands/import.go
+++ b/cmd/mattermost/commands/import.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/init.go b/cmd/mattermost/commands/init.go
index 7f205511a653..94e56434e9d4 100644
--- a/cmd/mattermost/commands/init.go
+++ b/cmd/mattermost/commands/init.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/integrity.go b/cmd/mattermost/commands/integrity.go
index 050a08c823db..433cdee6be7b 100644
--- a/cmd/mattermost/commands/integrity.go
+++ b/cmd/mattermost/commands/integrity.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/jobserver.go b/cmd/mattermost/commands/jobserver.go
index f45952dd230b..03441b95d6b6 100644
--- a/cmd/mattermost/commands/jobserver.go
+++ b/cmd/mattermost/commands/jobserver.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/ldap.go b/cmd/mattermost/commands/ldap.go
index 83b1630a222a..d07367522e5a 100644
--- a/cmd/mattermost/commands/ldap.go
+++ b/cmd/mattermost/commands/ldap.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/license.go b/cmd/mattermost/commands/license.go
index 1e08814d3a51..77946c4073d7 100644
--- a/cmd/mattermost/commands/license.go
+++ b/cmd/mattermost/commands/license.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/logs.go b/cmd/mattermost/commands/logs.go
index bf69958dcc4c..2e560f8a4a16 100644
--- a/cmd/mattermost/commands/logs.go
+++ b/cmd/mattermost/commands/logs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/main_test.go b/cmd/mattermost/commands/main_test.go
index 62522f5c58ed..c187c733c32d 100644
--- a/cmd/mattermost/commands/main_test.go
+++ b/cmd/mattermost/commands/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/output.go b/cmd/mattermost/commands/output.go
index f9a4bf483b1c..b2ee4b7c54ef 100644
--- a/cmd/mattermost/commands/output.go
+++ b/cmd/mattermost/commands/output.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/permissions.go b/cmd/mattermost/commands/permissions.go
index d6c6275e4400..4e992df7891a 100644
--- a/cmd/mattermost/commands/permissions.go
+++ b/cmd/mattermost/commands/permissions.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/permissions_test.go b/cmd/mattermost/commands/permissions_test.go
index f7f55415fcf2..4bcdd5b0126f 100644
--- a/cmd/mattermost/commands/permissions_test.go
+++ b/cmd/mattermost/commands/permissions_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/plugin.go b/cmd/mattermost/commands/plugin.go
index 6658f2a28dbd..dd3e24161548 100644
--- a/cmd/mattermost/commands/plugin.go
+++ b/cmd/mattermost/commands/plugin.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/plugin_test.go b/cmd/mattermost/commands/plugin_test.go
index 843ca721911e..d0312bd7b703 100644
--- a/cmd/mattermost/commands/plugin_test.go
+++ b/cmd/mattermost/commands/plugin_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 package commands
 
 import (
diff --git a/cmd/mattermost/commands/reset.go b/cmd/mattermost/commands/reset.go
index 9b81ec21640b..df49bc8f0669 100644
--- a/cmd/mattermost/commands/reset.go
+++ b/cmd/mattermost/commands/reset.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/roles.go b/cmd/mattermost/commands/roles.go
index 9d4482913a47..ff9a61f652b2 100644
--- a/cmd/mattermost/commands/roles.go
+++ b/cmd/mattermost/commands/roles.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/roles_test.go b/cmd/mattermost/commands/roles_test.go
index a727cb6563f8..806111314b6e 100644
--- a/cmd/mattermost/commands/roles_test.go
+++ b/cmd/mattermost/commands/roles_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/root.go b/cmd/mattermost/commands/root.go
index 1b5ef883be9f..30e9432ac8c3 100644
--- a/cmd/mattermost/commands/root.go
+++ b/cmd/mattermost/commands/root.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/sampledata.go b/cmd/mattermost/commands/sampledata.go
index 0a96c0add13e..20423a87f8f7 100644
--- a/cmd/mattermost/commands/sampledata.go
+++ b/cmd/mattermost/commands/sampledata.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/sampledata_test.go b/cmd/mattermost/commands/sampledata_test.go
index 4ea914e1d60d..b7f8a397347f 100644
--- a/cmd/mattermost/commands/sampledata_test.go
+++ b/cmd/mattermost/commands/sampledata_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/server.go b/cmd/mattermost/commands/server.go
index 30846b92d4d0..75dcd3aed417 100644
--- a/cmd/mattermost/commands/server.go
+++ b/cmd/mattermost/commands/server.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/server_test.go b/cmd/mattermost/commands/server_test.go
index 5702d156aee7..d965e80fb322 100644
--- a/cmd/mattermost/commands/server_test.go
+++ b/cmd/mattermost/commands/server_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/team.go b/cmd/mattermost/commands/team.go
index 95a2373b70c8..739d4a1e06a9 100644
--- a/cmd/mattermost/commands/team.go
+++ b/cmd/mattermost/commands/team.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/team_test.go b/cmd/mattermost/commands/team_test.go
index 7af595691e80..5d4f3c2762c0 100644
--- a/cmd/mattermost/commands/team_test.go
+++ b/cmd/mattermost/commands/team_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/teamargs.go b/cmd/mattermost/commands/teamargs.go
index 45cedb775065..ab44754eccd5 100644
--- a/cmd/mattermost/commands/teamargs.go
+++ b/cmd/mattermost/commands/teamargs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/test.go b/cmd/mattermost/commands/test.go
index 8fcf867bb1a8..96c452a941c3 100644
--- a/cmd/mattermost/commands/test.go
+++ b/cmd/mattermost/commands/test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/user.go b/cmd/mattermost/commands/user.go
index 84916db5d1cf..aa39afadd0fb 100644
--- a/cmd/mattermost/commands/user.go
+++ b/cmd/mattermost/commands/user.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/user_test.go b/cmd/mattermost/commands/user_test.go
index 482e7024242a..a17ac2539fc1 100644
--- a/cmd/mattermost/commands/user_test.go
+++ b/cmd/mattermost/commands/user_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/userargs.go b/cmd/mattermost/commands/userargs.go
index 6f6c66b2a3c5..51140737176a 100644
--- a/cmd/mattermost/commands/userargs.go
+++ b/cmd/mattermost/commands/userargs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/utils.go b/cmd/mattermost/commands/utils.go
index 768bc184112a..6b36000f86a1 100644
--- a/cmd/mattermost/commands/utils.go
+++ b/cmd/mattermost/commands/utils.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/utils_test.go b/cmd/mattermost/commands/utils_test.go
index acc155f67335..db7d4c1e41f0 100644
--- a/cmd/mattermost/commands/utils_test.go
+++ b/cmd/mattermost/commands/utils_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/version.go b/cmd/mattermost/commands/version.go
index b7a39720fb30..dd969281473e 100644
--- a/cmd/mattermost/commands/version.go
+++ b/cmd/mattermost/commands/version.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/version_test.go b/cmd/mattermost/commands/version_test.go
index 630024d92925..ac59e99122da 100644
--- a/cmd/mattermost/commands/version_test.go
+++ b/cmd/mattermost/commands/version_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/webhook.go b/cmd/mattermost/commands/webhook.go
index 5a2b28ae930b..5c314953a210 100644
--- a/cmd/mattermost/commands/webhook.go
+++ b/cmd/mattermost/commands/webhook.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/commands/webhook_test.go b/cmd/mattermost/commands/webhook_test.go
index 28a4b075ad66..80c43c4e365c 100644
--- a/cmd/mattermost/commands/webhook_test.go
+++ b/cmd/mattermost/commands/webhook_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package commands
 
diff --git a/cmd/mattermost/main.go b/cmd/mattermost/main.go
index e1b11daf20c4..657048203445 100644
--- a/cmd/mattermost/main.go
+++ b/cmd/mattermost/main.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/config/client.go b/config/client.go
index d831ead15421..3b677a099e6e 100644
--- a/config/client.go
+++ b/config/client.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/client_test.go b/config/client_test.go
index ae5e5696da58..6a35036c063d 100644
--- a/config/client_test.go
+++ b/config/client_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config_test
 
diff --git a/config/common.go b/config/common.go
index e5bfade391f5..bac91374b1d6 100644
--- a/config/common.go
+++ b/config/common.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/common_test.go b/config/common_test.go
index 28d546274038..b1e22e756bfd 100644
--- a/config/common_test.go
+++ b/config/common_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package config_test
 
 import (
diff --git a/config/config_generator/generator/generator.go b/config/config_generator/generator/generator.go
index ab7d922abfd2..4fea9d004b73 100644
--- a/config/config_generator/generator/generator.go
+++ b/config/config_generator/generator/generator.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package generator
 
diff --git a/config/config_generator/main.go b/config/config_generator/main.go
index 9a5a37745d5e..ae0326f1471f 100644
--- a/config/config_generator/main.go
+++ b/config/config_generator/main.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/config/database.go b/config/database.go
index cc66205a16ae..5cd596973848 100644
--- a/config/database.go
+++ b/config/database.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/database_test.go b/config/database_test.go
index 6472cf9c4a26..0b5c7b5a3d7c 100644
--- a/config/database_test.go
+++ b/config/database_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config_test
 
diff --git a/config/default.go b/config/default.go
index 824ccb0d1482..2220e8d9f4c2 100644
--- a/config/default.go
+++ b/config/default.go
@@ -1,6 +1,6 @@
 //go:generate go run -mod=vendor config_generator/main.go
 
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
diff --git a/config/default_test.go b/config/default_test.go
index f4c87b063d00..abdb9aab7ecf 100644
--- a/config/default_test.go
+++ b/config/default_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/emitter.go b/config/emitter.go
index b12bef466bf0..3856390f350f 100644
--- a/config/emitter.go
+++ b/config/emitter.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/emitter_test.go b/config/emitter_test.go
index b084a58765b0..762c6f66a29d 100644
--- a/config/emitter_test.go
+++ b/config/emitter_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/environment.go b/config/environment.go
index 2efc49ab678e..deb6e3751152 100644
--- a/config/environment.go
+++ b/config/environment.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/export_test.go b/config/export_test.go
index 5cd9dd366dee..fbacab7c3160 100644
--- a/config/export_test.go
+++ b/config/export_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package config
 
 import (
diff --git a/config/file.go b/config/file.go
index 2db191f0a4c4..fceea8016c42 100644
--- a/config/file.go
+++ b/config/file.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/file_test.go b/config/file_test.go
index 5ca2a5d51dfb..048c3aa320ab 100644
--- a/config/file_test.go
+++ b/config/file_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config_test
 
diff --git a/config/main_test.go b/config/main_test.go
index 6e30024c070b..21701ba55918 100644
--- a/config/main_test.go
+++ b/config/main_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package config_test
 
 import (
diff --git a/config/memory.go b/config/memory.go
index 3e3fa5e82690..ceaf23f25143 100644
--- a/config/memory.go
+++ b/config/memory.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/memory_test.go b/config/memory_test.go
index 2200e26ba555..d1c8836407ee 100644
--- a/config/memory_test.go
+++ b/config/memory_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config_test
 
diff --git a/config/migrate.go b/config/migrate.go
index 720a6ebba51a..de3888223cd6 100644
--- a/config/migrate.go
+++ b/config/migrate.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/migrate_test.go b/config/migrate_test.go
index 932fd67d4946..1cc614bfcd4e 100644
--- a/config/migrate_test.go
+++ b/config/migrate_test.go
@@ -1,11 +1,15 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package config
 
 import (
 	"fmt"
+	"testing"
+
 	"github.com/mattermost/mattermost-server/v5/testlib"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"testing"
 )
 
 func TestMigrateDatabaseToFile(t *testing.T) {
diff --git a/config/store.go b/config/store.go
index 231ee50549f6..be5b52875911 100644
--- a/config/store.go
+++ b/config/store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/store_test.go b/config/store_test.go
index 5f0536e6c07a..b806826f3373 100644
--- a/config/store_test.go
+++ b/config/store_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package config_test
 
 import (
diff --git a/config/unmarshal.go b/config/unmarshal.go
index 3bfa02226bee..07fd6afef0bf 100644
--- a/config/unmarshal.go
+++ b/config/unmarshal.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/unmarshal_test.go b/config/unmarshal_test.go
index a303134abbd7..cd6a2e2f4b52 100644
--- a/config/unmarshal_test.go
+++ b/config/unmarshal_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/utils.go b/config/utils.go
index 0a30b822b171..387f212bedf0 100644
--- a/config/utils.go
+++ b/config/utils.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/utils_test.go b/config/utils_test.go
index cafbc09242f1..676f94dca826 100644
--- a/config/utils_test.go
+++ b/config/utils_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/watcher.go b/config/watcher.go
index b6eb6159ee99..2f678f59969d 100644
--- a/config/watcher.go
+++ b/config/watcher.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/config/watcher_test.go b/config/watcher_test.go
index 40c925fc32ae..43f967e54b70 100644
--- a/config/watcher_test.go
+++ b/config/watcher_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package config
 
diff --git a/einterfaces/account_migration.go b/einterfaces/account_migration.go
index b22510ad25c3..2f59c28683de 100644
--- a/einterfaces/account_migration.go
+++ b/einterfaces/account_migration.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/cluster.go b/einterfaces/cluster.go
index 653dd06d6db0..2d537002990a 100644
--- a/einterfaces/cluster.go
+++ b/einterfaces/cluster.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/compliance.go b/einterfaces/compliance.go
index d50fadc67490..8ff660e0a8b7 100644
--- a/einterfaces/compliance.go
+++ b/einterfaces/compliance.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/data_retention.go b/einterfaces/data_retention.go
index 0671424fbeed..99a1dd2ba7d9 100644
--- a/einterfaces/data_retention.go
+++ b/einterfaces/data_retention.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/elasticsearch.go b/einterfaces/elasticsearch.go
index 423d14dddee1..e77cb70e88cc 100644
--- a/einterfaces/elasticsearch.go
+++ b/einterfaces/elasticsearch.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/jobs/data_retention.go b/einterfaces/jobs/data_retention.go
index 95264dc355d8..c6bf94da562d 100644
--- a/einterfaces/jobs/data_retention.go
+++ b/einterfaces/jobs/data_retention.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/einterfaces/jobs/elasticsearch.go b/einterfaces/jobs/elasticsearch.go
index a524288862f5..b5d212e132aa 100644
--- a/einterfaces/jobs/elasticsearch.go
+++ b/einterfaces/jobs/elasticsearch.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/einterfaces/jobs/ldap_sync.go b/einterfaces/jobs/ldap_sync.go
index 8af1ffa20b79..5bcfc9edfac2 100644
--- a/einterfaces/jobs/ldap_sync.go
+++ b/einterfaces/jobs/ldap_sync.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/einterfaces/jobs/message_export.go b/einterfaces/jobs/message_export.go
index 611fb46764e2..e7f7fe5dc507 100644
--- a/einterfaces/jobs/message_export.go
+++ b/einterfaces/jobs/message_export.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/einterfaces/ldap.go b/einterfaces/ldap.go
index 794730b3c700..3572f68dc8fa 100644
--- a/einterfaces/ldap.go
+++ b/einterfaces/ldap.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/message_export.go b/einterfaces/message_export.go
index 8105089467ce..9e3ba5e23022 100644
--- a/einterfaces/message_export.go
+++ b/einterfaces/message_export.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/metrics.go b/einterfaces/metrics.go
index b6319225bc1e..abcede5beb50 100644
--- a/einterfaces/metrics.go
+++ b/einterfaces/metrics.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/mfa.go b/einterfaces/mfa.go
index 2c69f020b9da..b42aae748a94 100644
--- a/einterfaces/mfa.go
+++ b/einterfaces/mfa.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/notification.go b/einterfaces/notification.go
index e9f8a89218e3..05a07a331ea9 100644
--- a/einterfaces/notification.go
+++ b/einterfaces/notification.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/oauthproviders.go b/einterfaces/oauthproviders.go
index 3ac78dd5184f..b137d5e71034 100644
--- a/einterfaces/oauthproviders.go
+++ b/einterfaces/oauthproviders.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/einterfaces/saml.go b/einterfaces/saml.go
index 8e45a519c501..157ab013e96f 100644
--- a/einterfaces/saml.go
+++ b/einterfaces/saml.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package einterfaces
 
diff --git a/imports/placeholder.go b/imports/placeholder.go
index c416897ac1c7..1e5dc76c2422 100644
--- a/imports/placeholder.go
+++ b/imports/placeholder.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imports
 
diff --git a/jobs/interfaces/migrations_interface.go b/jobs/interfaces/migrations_interface.go
index d72f254118c6..3184d1799ad4 100644
--- a/jobs/interfaces/migrations_interface.go
+++ b/jobs/interfaces/migrations_interface.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package interfaces
 
diff --git a/jobs/interfaces/plugins_interface.go b/jobs/interfaces/plugins_interface.go
index a2dd10d56d09..a2863f359801 100644
--- a/jobs/interfaces/plugins_interface.go
+++ b/jobs/interfaces/plugins_interface.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package interfaces
 
diff --git a/jobs/jobs.go b/jobs/jobs.go
index 1aae32f1c307..8042185e202b 100644
--- a/jobs/jobs.go
+++ b/jobs/jobs.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/jobs/jobs_watcher.go b/jobs/jobs_watcher.go
index 015425f8dae4..4086aeca9c57 100644
--- a/jobs/jobs_watcher.go
+++ b/jobs/jobs_watcher.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/jobs/schedulers.go b/jobs/schedulers.go
index 4ef547f6dafb..d7aebe0804cc 100644
--- a/jobs/schedulers.go
+++ b/jobs/schedulers.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/jobs/schedulers_test.go b/jobs/schedulers_test.go
index fdc9455b4c80..4324493bdb0d 100644
--- a/jobs/schedulers_test.go
+++ b/jobs/schedulers_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 package jobs
 
 import (
diff --git a/jobs/server.go b/jobs/server.go
index 40ce5c0c0819..217b95d5737d 100644
--- a/jobs/server.go
+++ b/jobs/server.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/jobs/workers.go b/jobs/workers.go
index 29b98950ec4d..c16a8a7e58a3 100644
--- a/jobs/workers.go
+++ b/jobs/workers.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jobs
 
diff --git a/manualtesting/manual_testing.go b/manualtesting/manual_testing.go
index 0cfabef3f00c..f985a6cbac34 100644
--- a/manualtesting/manual_testing.go
+++ b/manualtesting/manual_testing.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package manualtesting
 
diff --git a/manualtesting/test_autolink.go b/manualtesting/test_autolink.go
index 823a4c46b8c9..a1d7c30921d1 100644
--- a/manualtesting/test_autolink.go
+++ b/manualtesting/test_autolink.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package manualtesting
 
diff --git a/migrations/advanced_permissions_phase_2.go b/migrations/advanced_permissions_phase_2.go
index b65f4116adc5..1f29ad161d65 100644
--- a/migrations/advanced_permissions_phase_2.go
+++ b/migrations/advanced_permissions_phase_2.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/helper_test.go b/migrations/helper_test.go
index 055d6e7642ed..7740dbbc69a8 100644
--- a/migrations/helper_test.go
+++ b/migrations/helper_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/main_test.go b/migrations/main_test.go
index d4b36ff4dafe..39c633b2a89f 100644
--- a/migrations/main_test.go
+++ b/migrations/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/migrations.go b/migrations/migrations.go
index a0200be0e05d..d738edd5fc18 100644
--- a/migrations/migrations.go
+++ b/migrations/migrations.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/migrations_test.go b/migrations/migrations_test.go
index 4a138c4e5f34..ce8f9fb416c5 100644
--- a/migrations/migrations_test.go
+++ b/migrations/migrations_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/scheduler.go b/migrations/scheduler.go
index 798fc650cfdd..12bcc6f33c39 100644
--- a/migrations/scheduler.go
+++ b/migrations/scheduler.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/migrations/worker.go b/migrations/worker.go
index c887b04be337..42f5e80c860e 100644
--- a/migrations/worker.go
+++ b/migrations/worker.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package migrations
 
diff --git a/mlog/default.go b/mlog/default.go
index b30ca16a20ff..f356eec72a4a 100644
--- a/mlog/default.go
+++ b/mlog/default.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/mlog/global.go b/mlog/global.go
index ba90ace2f888..73f40b2f64a4 100644
--- a/mlog/global.go
+++ b/mlog/global.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/mlog/global_test.go b/mlog/global_test.go
index 8bf24a33e9a1..5abc9779141c 100644
--- a/mlog/global_test.go
+++ b/mlog/global_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package mlog_test
 
 import (
diff --git a/mlog/human/entry.go b/mlog/human/entry.go
index 8790e00253c9..5ef52eb4a0d2 100644
--- a/mlog/human/entry.go
+++ b/mlog/human/entry.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package human
 
diff --git a/mlog/human/logrus_writer.go b/mlog/human/logrus_writer.go
index 64272d483b51..f086112fe0cd 100644
--- a/mlog/human/logrus_writer.go
+++ b/mlog/human/logrus_writer.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package human
 
diff --git a/mlog/human/parser.go b/mlog/human/parser.go
index 17dd23bb1f59..2be7efd10baf 100644
--- a/mlog/human/parser.go
+++ b/mlog/human/parser.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package human
 
diff --git a/mlog/human/process.go b/mlog/human/process.go
index 71633c3e0ae2..ae31acdad301 100644
--- a/mlog/human/process.go
+++ b/mlog/human/process.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package human
 
diff --git a/mlog/human/simple_writer.go b/mlog/human/simple_writer.go
index 3ffba9a20d57..760ed91596f7 100644
--- a/mlog/human/simple_writer.go
+++ b/mlog/human/simple_writer.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package human
 
diff --git a/mlog/log.go b/mlog/log.go
index 59bc91df2d10..eedb83f5a504 100644
--- a/mlog/log.go
+++ b/mlog/log.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/mlog/main_test.go b/mlog/main_test.go
index e5426e3105ee..3335e0cff63e 100644
--- a/mlog/main_test.go
+++ b/mlog/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mlog_test
 
diff --git a/mlog/stdlog.go b/mlog/stdlog.go
index 1abf30b2ca6f..fd702abffaa9 100644
--- a/mlog/stdlog.go
+++ b/mlog/stdlog.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/mlog/stdlog_test.go b/mlog/stdlog_test.go
index e924b406bff3..139b5eab7f46 100644
--- a/mlog/stdlog_test.go
+++ b/mlog/stdlog_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/mlog/testing.go b/mlog/testing.go
index 1b97c2fb7ee0..7a0eb134e22b 100644
--- a/mlog/testing.go
+++ b/mlog/testing.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mlog
 
diff --git a/model/access.go b/model/access.go
index e9603c78ed8a..896cdc3f82a0 100644
--- a/model/access.go
+++ b/model/access.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/access_test.go b/model/access_test.go
index 775de8cf7227..d679fc09d9ce 100644
--- a/model/access_test.go
+++ b/model/access_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/analytics_row.go b/model/analytics_row.go
index 4615bb7928c0..1180ad225f7e 100644
--- a/model/analytics_row.go
+++ b/model/analytics_row.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/analytics_row_test.go b/model/analytics_row_test.go
index 31ad46104195..2102314df486 100644
--- a/model/analytics_row_test.go
+++ b/model/analytics_row_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/audit.go b/model/audit.go
index e3d1bdf90e00..dd1e0602609d 100644
--- a/model/audit.go
+++ b/model/audit.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/audit_test.go b/model/audit_test.go
index 7a9ce9395e70..f51abe27a5b2 100644
--- a/model/audit_test.go
+++ b/model/audit_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/audits.go b/model/audits.go
index 3673eb618b01..a8f01e1b9b50 100644
--- a/model/audits.go
+++ b/model/audits.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/audits_test.go b/model/audits_test.go
index 9c1fb9e575bf..fc7fd77ed766 100644
--- a/model/audits_test.go
+++ b/model/audits_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/authorize.go b/model/authorize.go
index 922adc070e78..15b4d9c82ed9 100644
--- a/model/authorize.go
+++ b/model/authorize.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/authorize_test.go b/model/authorize_test.go
index 211d74def48d..26e8978cd624 100644
--- a/model/authorize_test.go
+++ b/model/authorize_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/bot.go b/model/bot.go
index 362c439ec7c8..c17f82fb8efb 100644
--- a/model/bot.go
+++ b/model/bot.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/bot_default_image.go b/model/bot_default_image.go
index 96dd77e04cca..d9cdd2e240a1 100644
--- a/model/bot_default_image.go
+++ b/model/bot_default_image.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/bot_test.go b/model/bot_test.go
index 3a7a0db9fcf2..cd0d073011d9 100644
--- a/model/bot_test.go
+++ b/model/bot_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/builtin.go b/model/builtin.go
index 5dd00a964387..38e01f8b2c84 100644
--- a/model/builtin.go
+++ b/model/builtin.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/bundle_info.go b/model/bundle_info.go
index f0e5be06a5c7..429e1c3d52cd 100644
--- a/model/bundle_info.go
+++ b/model/bundle_info.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/bundle_info_test.go b/model/bundle_info_test.go
index e94a5cb64dd5..d30569d846ca 100644
--- a/model/bundle_info_test.go
+++ b/model/bundle_info_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package model
 
 import (
diff --git a/model/channel.go b/model/channel.go
index 920c85d37a55..62b076118599 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_count.go b/model/channel_count.go
index 8c6d8dd0ed86..11ddeec407dd 100644
--- a/model/channel_count.go
+++ b/model/channel_count.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_data.go b/model/channel_data.go
index aae0a1490ec8..0a1e0d57afef 100644
--- a/model/channel_data.go
+++ b/model/channel_data.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_list.go b/model/channel_list.go
index b1db60ecc3f3..b47077aed827 100644
--- a/model/channel_list.go
+++ b/model/channel_list.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_member.go b/model/channel_member.go
index 9a3a3f2e9ceb..ea559d3dc541 100644
--- a/model/channel_member.go
+++ b/model/channel_member.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_member_history.go b/model/channel_member_history.go
index 55435c3206f7..b77e0ff93337 100644
--- a/model/channel_member_history.go
+++ b/model/channel_member_history.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_member_history_result.go b/model/channel_member_history_result.go
index 11cb19d37eab..6197d410eef1 100644
--- a/model/channel_member_history_result.go
+++ b/model/channel_member_history_result.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_member_test.go b/model/channel_member_test.go
index 31f9e417e3ea..033aaf09c0d5 100644
--- a/model/channel_member_test.go
+++ b/model/channel_member_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_mentions.go b/model/channel_mentions.go
index 795ec379c619..eb14e8eda73a 100644
--- a/model/channel_mentions.go
+++ b/model/channel_mentions.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_search.go b/model/channel_search.go
index b50ff7e43c20..2e994227f8e8 100644
--- a/model/channel_search.go
+++ b/model/channel_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_search_test.go b/model/channel_search_test.go
index e53fe4f2caa2..7a5921f220e4 100644
--- a/model/channel_search_test.go
+++ b/model/channel_search_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_stats.go b/model/channel_stats.go
index 63367fa48fec..76f682aa943d 100644
--- a/model/channel_stats.go
+++ b/model/channel_stats.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_test.go b/model/channel_test.go
index 1d2097ecfa6d..2b47cf1f73a1 100644
--- a/model/channel_test.go
+++ b/model/channel_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_view.go b/model/channel_view.go
index 650d14ce36ed..42fcac3a3683 100644
--- a/model/channel_view.go
+++ b/model/channel_view.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/channel_view_test.go b/model/channel_view_test.go
index 7f99133b8012..dbfc3cb43376 100644
--- a/model/channel_view_test.go
+++ b/model/channel_view_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/client4.go b/model/client4.go
index b519a19792c7..4bf7150f0c7c 100644
--- a/model/client4.go
+++ b/model/client4.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/client4_test.go b/model/client4_test.go
index c129b3e61582..3734bf41171a 100644
--- a/model/client4_test.go
+++ b/model/client4_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_discovery.go b/model/cluster_discovery.go
index 9fbd84fe41ea..bd045c678934 100644
--- a/model/cluster_discovery.go
+++ b/model/cluster_discovery.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_discovery_test.go b/model/cluster_discovery_test.go
index 28adfff2dfb5..109c7ea0cd88 100644
--- a/model/cluster_discovery_test.go
+++ b/model/cluster_discovery_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_info.go b/model/cluster_info.go
index 46a3487a94ba..8243746931e8 100644
--- a/model/cluster_info.go
+++ b/model/cluster_info.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_info_test.go b/model/cluster_info_test.go
index 4f81d221cc74..f4f121b453b1 100644
--- a/model/cluster_info_test.go
+++ b/model/cluster_info_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_message.go b/model/cluster_message.go
index a3c169b34444..8432264e3fb9 100644
--- a/model/cluster_message.go
+++ b/model/cluster_message.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_message_test.go b/model/cluster_message_test.go
index ba02eed78cbd..44df3bf3b1b2 100644
--- a/model/cluster_message_test.go
+++ b/model/cluster_message_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_stats.go b/model/cluster_stats.go
index 064f7b816e65..afc2ab44f0fe 100644
--- a/model/cluster_stats.go
+++ b/model/cluster_stats.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/cluster_stats_test.go b/model/cluster_stats_test.go
index 7aea9a92958d..36c73b48bee7 100644
--- a/model/cluster_stats_test.go
+++ b/model/cluster_stats_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command.go b/model/command.go
index b23e5020fd7e..0c99486dd94f 100644
--- a/model/command.go
+++ b/model/command.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_args.go b/model/command_args.go
index 67ea018c878b..1faba18c66ca 100644
--- a/model/command_args.go
+++ b/model/command_args.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_response.go b/model/command_response.go
index 4099f62093ac..fb2a67603ee4 100644
--- a/model/command_response.go
+++ b/model/command_response.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_response_test.go b/model/command_response_test.go
index 76d46da0c32d..31a7c2735e97 100644
--- a/model/command_response_test.go
+++ b/model/command_response_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_test.go b/model/command_test.go
index 0c8136b57c1e..3bb0432e07ff 100644
--- a/model/command_test.go
+++ b/model/command_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_webhook.go b/model/command_webhook.go
index 0b00e00b6524..035a4004db35 100644
--- a/model/command_webhook.go
+++ b/model/command_webhook.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/command_webhook_test.go b/model/command_webhook_test.go
index 141350b78a3b..7cfe28f8e848 100644
--- a/model/command_webhook_test.go
+++ b/model/command_webhook_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/compliance.go b/model/compliance.go
index 5546b7830bef..4b031b90abc7 100644
--- a/model/compliance.go
+++ b/model/compliance.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/compliance_post.go b/model/compliance_post.go
index ac3cf4e1f55a..fcf65075bd1c 100644
--- a/model/compliance_post.go
+++ b/model/compliance_post.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/compliance_post_test.go b/model/compliance_post_test.go
index 21044c1281d1..298b8f8f8519 100644
--- a/model/compliance_post_test.go
+++ b/model/compliance_post_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/compliance_test.go b/model/compliance_test.go
index 2f22dc2b2271..afd0f603906d 100644
--- a/model/compliance_test.go
+++ b/model/compliance_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/config.go b/model/config.go
index 079a01c59362..fd9e0e060723 100644
--- a/model/config.go
+++ b/model/config.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/config_test.go b/model/config_test.go
index 79624f359135..21026a270e7b 100644
--- a/model/config_test.go
+++ b/model/config_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/data_retention_policy.go b/model/data_retention_policy.go
index dbb13374d6f2..a39ff91161a6 100644
--- a/model/data_retention_policy.go
+++ b/model/data_retention_policy.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/emoji.go b/model/emoji.go
index c2ef25afa128..67cb300e581a 100644
--- a/model/emoji.go
+++ b/model/emoji.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/emoji_data.go b/model/emoji_data.go
index f6e62e680c7e..807f6abb5699 100644
--- a/model/emoji_data.go
+++ b/model/emoji_data.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/emoji_search.go b/model/emoji_search.go
index 3a768a57456a..71e2671cf255 100644
--- a/model/emoji_search.go
+++ b/model/emoji_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/emoji_search_test.go b/model/emoji_search_test.go
index 14055b817855..aca109cd5987 100644
--- a/model/emoji_search_test.go
+++ b/model/emoji_search_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/emoji_test.go b/model/emoji_test.go
index c33a164d239d..160011325820 100644
--- a/model/emoji_test.go
+++ b/model/emoji_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/file.go b/model/file.go
index e3ee0326899b..45b15d59b538 100644
--- a/model/file.go
+++ b/model/file.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/file_info.go b/model/file_info.go
index 25832b93c39f..94595ded7bf5 100644
--- a/model/file_info.go
+++ b/model/file_info.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/file_info_test.go b/model/file_info_test.go
index 04920270e415..d3695a402faa 100644
--- a/model/file_info_test.go
+++ b/model/file_info_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/gitlab.go b/model/gitlab.go
index 8777614c121e..0b069cd6bc93 100644
--- a/model/gitlab.go
+++ b/model/gitlab.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/gitlab/gitlab.go b/model/gitlab/gitlab.go
index 852735d51f30..c9c88a9eca5c 100644
--- a/model/gitlab/gitlab.go
+++ b/model/gitlab/gitlab.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package oauthgitlab
 
diff --git a/model/group.go b/model/group.go
index 535fbdf8cac1..3143192b61ac 100644
--- a/model/group.go
+++ b/model/group.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/group_member.go b/model/group_member.go
index 0f1a0baf01e2..d18d78499b21 100644
--- a/model/group_member.go
+++ b/model/group_member.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/group_syncable.go b/model/group_syncable.go
index 038164f217d4..227e00e32b22 100644
--- a/model/group_syncable.go
+++ b/model/group_syncable.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/guest_invite.go b/model/guest_invite.go
index 893c26d33c33..575d9a58b6fe 100644
--- a/model/guest_invite.go
+++ b/model/guest_invite.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/incoming_webhook.go b/model/incoming_webhook.go
index 8806a73f6a71..957d2152d04a 100644
--- a/model/incoming_webhook.go
+++ b/model/incoming_webhook.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/incoming_webhook_test.go b/model/incoming_webhook_test.go
index 784675f2e312..ca94222448d7 100644
--- a/model/incoming_webhook_test.go
+++ b/model/incoming_webhook_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/initial_load.go b/model/initial_load.go
index 3be680446f6c..9368f371c828 100644
--- a/model/initial_load.go
+++ b/model/initial_load.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/initial_load_test.go b/model/initial_load_test.go
index 980dcea11f22..7495dace5550 100644
--- a/model/initial_load_test.go
+++ b/model/initial_load_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/integration_action.go b/model/integration_action.go
index 177c41644557..7ae24ba5b5e2 100644
--- a/model/integration_action.go
+++ b/model/integration_action.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/integration_action_test.go b/model/integration_action_test.go
index 924997f7219c..5b453dd6b71b 100644
--- a/model/integration_action_test.go
+++ b/model/integration_action_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/job.go b/model/job.go
index 2533ea751e70..36c5c1e02428 100644
--- a/model/job.go
+++ b/model/job.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/ldap.go b/model/ldap.go
index 9051c5a3041d..d5f98f1a067e 100644
--- a/model/ldap.go
+++ b/model/ldap.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/license.go b/model/license.go
index 41630a0a191c..e924a03302d3 100644
--- a/model/license.go
+++ b/model/license.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/license_test.go b/model/license_test.go
index 5baab8cec357..d14eb3326479 100644
--- a/model/license_test.go
+++ b/model/license_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/link_metadata.go b/model/link_metadata.go
index 28c0fca82636..d20be2cb9590 100644
--- a/model/link_metadata.go
+++ b/model/link_metadata.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/link_metadata_test.go b/model/link_metadata_test.go
index 61c8acb09a57..f652c3b5cadd 100644
--- a/model/link_metadata_test.go
+++ b/model/link_metadata_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/main_test.go b/model/main_test.go
index 8533f72ed2ab..986ed0f5cb40 100644
--- a/model/main_test.go
+++ b/model/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model_test
 
diff --git a/model/manifest.go b/model/manifest.go
index 74f75a5c14fe..05cff11fd6a9 100644
--- a/model/manifest.go
+++ b/model/manifest.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/manifest_test.go b/model/manifest_test.go
index f93b642acc78..5161c8bca9a1 100644
--- a/model/manifest_test.go
+++ b/model/manifest_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/message_export.go b/model/message_export.go
index 6011948dd394..88108e2ef7c4 100644
--- a/model/message_export.go
+++ b/model/message_export.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/mfa_secret.go b/model/mfa_secret.go
index 23a903c892d2..979ff342804f 100644
--- a/model/mfa_secret.go
+++ b/model/mfa_secret.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/mfa_secret_test.go b/model/mfa_secret_test.go
index a554bf912fe6..efe00273396c 100644
--- a/model/mfa_secret_test.go
+++ b/model/mfa_secret_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/migration.go b/model/migration.go
index ead7acce2c96..a0113afd8403 100644
--- a/model/migration.go
+++ b/model/migration.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/modeltestlib_test.go b/model/modeltestlib_test.go
index 02e597665fe7..4705e88e7e83 100644
--- a/model/modeltestlib_test.go
+++ b/model/modeltestlib_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/oauth.go b/model/oauth.go
index 49f018fc310e..da2b6da04281 100644
--- a/model/oauth.go
+++ b/model/oauth.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/oauth_test.go b/model/oauth_test.go
index fb6d44ddd301..eeee7673ea4f 100644
--- a/model/oauth_test.go
+++ b/model/oauth_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/outgoing_webhook.go b/model/outgoing_webhook.go
index 6da3c6e45b84..c7a8a577ffe1 100644
--- a/model/outgoing_webhook.go
+++ b/model/outgoing_webhook.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/outgoing_webhook_test.go b/model/outgoing_webhook_test.go
index 16b05246b2ee..03d3ad7273d8 100644
--- a/model/outgoing_webhook_test.go
+++ b/model/outgoing_webhook_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/permission.go b/model/permission.go
index 72080483b3f6..1acae3eec885 100644
--- a/model/permission.go
+++ b/model/permission.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/permission_test.go b/model/permission_test.go
index cef72af90e56..141d01bf218b 100644
--- a/model/permission_test.go
+++ b/model/permission_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package model
 
 import (
diff --git a/model/plugin_key_value.go b/model/plugin_key_value.go
index 7e156d93d844..cd5406ea9d52 100644
--- a/model/plugin_key_value.go
+++ b/model/plugin_key_value.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/plugin_key_value_test.go b/model/plugin_key_value_test.go
index cbbab54cd304..f5505c96599e 100644
--- a/model/plugin_key_value_test.go
+++ b/model/plugin_key_value_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/plugin_kvset_options.go b/model/plugin_kvset_options.go
index 6498fa4b9ef2..b71555e68ceb 100644
--- a/model/plugin_kvset_options.go
+++ b/model/plugin_kvset_options.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/plugins_response.go b/model/plugins_response.go
index 177cfe6c89ac..421ee2f5454b 100644
--- a/model/plugins_response.go
+++ b/model/plugins_response.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/plugins_response_test.go b/model/plugins_response_test.go
index 4b889ea1c360..dbe6d3433cf9 100644
--- a/model/plugins_response_test.go
+++ b/model/plugins_response_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package model
 
 import (
diff --git a/model/post.go b/model/post.go
index 2ae2c2d53773..a991b4510246 100644
--- a/model/post.go
+++ b/model/post.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_embed.go b/model/post_embed.go
index 15d061fc79bb..5c6efec1f323 100644
--- a/model/post_embed.go
+++ b/model/post_embed.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_list.go b/model/post_list.go
index dfb690a53431..9e63882abf0a 100644
--- a/model/post_list.go
+++ b/model/post_list.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_list_test.go b/model/post_list_test.go
index 8ee618f2dac8..7f0c4dfab87f 100644
--- a/model/post_list_test.go
+++ b/model/post_list_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_metadata.go b/model/post_metadata.go
index 5fb394b92d94..7b0687ca0801 100644
--- a/model/post_metadata.go
+++ b/model/post_metadata.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_search_results.go b/model/post_search_results.go
index 2317f18317d8..74ef4b52597b 100644
--- a/model/post_search_results.go
+++ b/model/post_search_results.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/post_test.go b/model/post_test.go
index cf66a54cd4c2..ee8b2f069a41 100644
--- a/model/post_test.go
+++ b/model/post_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/preference.go b/model/preference.go
index 05379b90a444..4d4abde87ac8 100644
--- a/model/preference.go
+++ b/model/preference.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/preference_test.go b/model/preference_test.go
index a619950e2d7c..6c3cb4e07d78 100644
--- a/model/preference_test.go
+++ b/model/preference_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/preferences.go b/model/preferences.go
index 172e1aa83372..6ed845b6c10e 100644
--- a/model/preferences.go
+++ b/model/preferences.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/push_notification.go b/model/push_notification.go
index 3c640817ebbf..78711abbde1c 100644
--- a/model/push_notification.go
+++ b/model/push_notification.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/push_notification_test.go b/model/push_notification_test.go
index e2d7de1a5e62..8fe0980cffc2 100644
--- a/model/push_notification_test.go
+++ b/model/push_notification_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/push_response.go b/model/push_response.go
index 1434a2b1121c..e6e8059bfc0c 100644
--- a/model/push_response.go
+++ b/model/push_response.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/push_response_test.go b/model/push_response_test.go
index 6f9315550feb..4660aa723272 100644
--- a/model/push_response_test.go
+++ b/model/push_response_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/reaction.go b/model/reaction.go
index 550918a33a52..dfa079665f56 100644
--- a/model/reaction.go
+++ b/model/reaction.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/reaction_test.go b/model/reaction_test.go
index 53f40494d736..ede7b3ac14e8 100644
--- a/model/reaction_test.go
+++ b/model/reaction_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/role.go b/model/role.go
index e246cf91532f..0a41daa72946 100644
--- a/model/role.go
+++ b/model/role.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/saml.go b/model/saml.go
index c184b0350bc6..efc3cbac095c 100644
--- a/model/saml.go
+++ b/model/saml.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/saml_test.go b/model/saml_test.go
index 6fd05b20d611..26a5d8ee571a 100644
--- a/model/saml_test.go
+++ b/model/saml_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/scheduled_task.go b/model/scheduled_task.go
index f3529dedb73f..657cc7493cf9 100644
--- a/model/scheduled_task.go
+++ b/model/scheduled_task.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/scheduled_task_test.go b/model/scheduled_task_test.go
index 9537a662afee..5a4106aff6a0 100644
--- a/model/scheduled_task_test.go
+++ b/model/scheduled_task_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/scheme.go b/model/scheme.go
index 2a6fccc01b48..3be3b3ab6348 100644
--- a/model/scheme.go
+++ b/model/scheme.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/search_params.go b/model/search_params.go
index bbfff31651f6..e6dce73c328f 100644
--- a/model/search_params.go
+++ b/model/search_params.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/search_params_test.go b/model/search_params_test.go
index 056a5c9b68d5..81a02e3351db 100644
--- a/model/search_params_test.go
+++ b/model/search_params_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/security_bulletin.go b/model/security_bulletin.go
index 958b9c9e3e4f..ae66cf308026 100644
--- a/model/security_bulletin.go
+++ b/model/security_bulletin.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/security_bulletin_test.go b/model/security_bulletin_test.go
index 356f40512771..b21a57a68a5b 100644
--- a/model/security_bulletin_test.go
+++ b/model/security_bulletin_test.go
@@ -1,12 +1,13 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
 import (
-	"github.com/stretchr/testify/require"
 	"strings"
 	"testing"
+
+	"github.com/stretchr/testify/require"
 )
 
 func TestSecurityBulletinToFromJson(t *testing.T) {
diff --git a/model/session.go b/model/session.go
index dd146531ed28..a391774ba58b 100644
--- a/model/session.go
+++ b/model/session.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/session_test.go b/model/session_test.go
index 0171f9e0a970..5ac99e5cc919 100644
--- a/model/session_test.go
+++ b/model/session_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/slack_attachment.go b/model/slack_attachment.go
index 30757061e671..a85c6be2d27f 100644
--- a/model/slack_attachment.go
+++ b/model/slack_attachment.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/slack_attachment_test.go b/model/slack_attachment_test.go
index 8043f34245d9..9602809def65 100644
--- a/model/slack_attachment_test.go
+++ b/model/slack_attachment_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package model
 
 import (
diff --git a/model/slack_compatibility.go b/model/slack_compatibility.go
index 25539063d99f..2d3e28788adf 100644
--- a/model/slack_compatibility.go
+++ b/model/slack_compatibility.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/slack_compatibility_test.go b/model/slack_compatibility_test.go
index c920ea0ed2dc..2aa162938cee 100644
--- a/model/slack_compatibility_test.go
+++ b/model/slack_compatibility_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/status.go b/model/status.go
index 7888c60a46c6..2dabd52e837e 100644
--- a/model/status.go
+++ b/model/status.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/status_test.go b/model/status_test.go
index cc15e1c0aef2..79dae409de6d 100644
--- a/model/status_test.go
+++ b/model/status_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/suggest_command.go b/model/suggest_command.go
index 44f46bf7a58a..45a7af38a896 100644
--- a/model/suggest_command.go
+++ b/model/suggest_command.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/suggest_command_test.go b/model/suggest_command_test.go
index da8f041a6972..202099758acf 100644
--- a/model/suggest_command_test.go
+++ b/model/suggest_command_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/switch_request.go b/model/switch_request.go
index 2a522f4924f9..0ec4db7d1edf 100644
--- a/model/switch_request.go
+++ b/model/switch_request.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/switch_request_test.go b/model/switch_request_test.go
index bbd33e66e817..b0b0f15e2880 100644
--- a/model/switch_request_test.go
+++ b/model/switch_request_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/system.go b/model/system.go
index 3ac37adffe16..412bc2be658e 100644
--- a/model/system.go
+++ b/model/system.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/system_test.go b/model/system_test.go
index 29da1bfa3c14..07dce1cbd363 100644
--- a/model/system_test.go
+++ b/model/system_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team.go b/model/team.go
index 44abd88cda14..2f57b83ff204 100644
--- a/model/team.go
+++ b/model/team.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_member.go b/model/team_member.go
index 4b33c1410a49..1be2ab55691c 100644
--- a/model/team_member.go
+++ b/model/team_member.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_member_test.go b/model/team_member_test.go
index 9adee8e9a70d..ba05f25d7f71 100644
--- a/model/team_member_test.go
+++ b/model/team_member_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_search.go b/model/team_search.go
index 042d353910fe..b4c4a44f89b5 100644
--- a/model/team_search.go
+++ b/model/team_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_search_test.go b/model/team_search_test.go
index e48896fa56eb..e07e878c44d8 100644
--- a/model/team_search_test.go
+++ b/model/team_search_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_stats.go b/model/team_stats.go
index 0d688b806e5b..9209a0cfe66d 100644
--- a/model/team_stats.go
+++ b/model/team_stats.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/team_test.go b/model/team_test.go
index a586bf2b7725..7d1769306c27 100644
--- a/model/team_test.go
+++ b/model/team_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/terms_of_service.go b/model/terms_of_service.go
index e43f89095c74..3eb8283cd43c 100644
--- a/model/terms_of_service.go
+++ b/model/terms_of_service.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/terms_of_service_test.go b/model/terms_of_service_test.go
index c52dfb28eaec..da8c4d857e60 100644
--- a/model/terms_of_service_test.go
+++ b/model/terms_of_service_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/token.go b/model/token.go
index 290d57750034..0730778cd039 100644
--- a/model/token.go
+++ b/model/token.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user.go b/model/user.go
index a66069cfb974..20d52434275b 100644
--- a/model/user.go
+++ b/model/user.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_access_token.go b/model/user_access_token.go
index bffd9fcb5541..834391fc923f 100644
--- a/model/user_access_token.go
+++ b/model/user_access_token.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_access_token_search.go b/model/user_access_token_search.go
index 1b0146edb4ca..a692f6929755 100644
--- a/model/user_access_token_search.go
+++ b/model/user_access_token_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_access_token_search_test.go b/model/user_access_token_search_test.go
index 0d1ea5753577..7e08f051c22f 100644
--- a/model/user_access_token_search_test.go
+++ b/model/user_access_token_search_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_access_token_test.go b/model/user_access_token_test.go
index 04ac3e96a71c..351eac0b5264 100644
--- a/model/user_access_token_test.go
+++ b/model/user_access_token_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_autocomplete.go b/model/user_autocomplete.go
index b5edb45be5f2..48a892e2ccab 100644
--- a/model/user_autocomplete.go
+++ b/model/user_autocomplete.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_count.go b/model/user_count.go
index 03dbc95e3f41..3c20b23a0946 100644
--- a/model/user_count.go
+++ b/model/user_count.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_get.go b/model/user_get.go
index d4863fe76772..74fa569f09a1 100644
--- a/model/user_get.go
+++ b/model/user_get.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_search.go b/model/user_search.go
index 2a814d0fcb6d..5e4ed621c377 100644
--- a/model/user_search.go
+++ b/model/user_search.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_search_test.go b/model/user_search_test.go
index dc0dfae2d637..948d683d39d7 100644
--- a/model/user_search_test.go
+++ b/model/user_search_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_terms_of_Service_test.go b/model/user_terms_of_Service_test.go
index 242325a74c72..0e881433283a 100644
--- a/model/user_terms_of_Service_test.go
+++ b/model/user_terms_of_Service_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_terms_of_service.go b/model/user_terms_of_service.go
index b714f923c423..af0954e4a37f 100644
--- a/model/user_terms_of_service.go
+++ b/model/user_terms_of_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/user_test.go b/model/user_test.go
index 97e513894d26..d81d6e54927e 100644
--- a/model/user_test.go
+++ b/model/user_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/users_stats.go b/model/users_stats.go
index 49c882e34173..3e18296e13a1 100644
--- a/model/users_stats.go
+++ b/model/users_stats.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/utils.go b/model/utils.go
index a883c8cfb38b..2947603b5850 100644
--- a/model/utils.go
+++ b/model/utils.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/utils_test.go b/model/utils_test.go
index e3967f5b8689..8c4c70cd978e 100644
--- a/model/utils_test.go
+++ b/model/utils_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/version.go b/model/version.go
index a165be095b87..98e5b7cc45f6 100644
--- a/model/version.go
+++ b/model/version.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/version_test.go b/model/version_test.go
index a06db326ce9a..2f0a6223b20c 100644
--- a/model/version_test.go
+++ b/model/version_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/websocket_client.go b/model/websocket_client.go
index 4e6c1d8cc357..f31431ec1f5d 100644
--- a/model/websocket_client.go
+++ b/model/websocket_client.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/websocket_message.go b/model/websocket_message.go
index 38273d2c4873..585280c888e7 100644
--- a/model/websocket_message.go
+++ b/model/websocket_message.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/websocket_message_test.go b/model/websocket_message_test.go
index cb32fff6274b..76d5811a9e59 100644
--- a/model/websocket_message_test.go
+++ b/model/websocket_message_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/websocket_request.go b/model/websocket_request.go
index aa6bd8079f03..2186209a0d31 100644
--- a/model/websocket_request.go
+++ b/model/websocket_request.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/model/websocket_request_test.go b/model/websocket_request_test.go
index edf8f538fdd2..962cf88b6e47 100644
--- a/model/websocket_request_test.go
+++ b/model/websocket_request_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package model
 
diff --git a/plugin/api.go b/plugin/api.go
index 3cdc1df6290d..734e8a5d3ae2 100644
--- a/plugin/api.go
+++ b/plugin/api.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/checker/check_api.go b/plugin/checker/check_api.go
index 81db53903150..5940a1da6ac4 100644
--- a/plugin/checker/check_api.go
+++ b/plugin/checker/check_api.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/checker/check_api_test.go b/plugin/checker/check_api_test.go
index 0c8ee9c6d651..ea4d2db6fd37 100644
--- a/plugin/checker/check_api_test.go
+++ b/plugin/checker/check_api_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/checker/check_helpers.go b/plugin/checker/check_helpers.go
index f94738ba75a1..8c37507def42 100644
--- a/plugin/checker/check_helpers.go
+++ b/plugin/checker/check_helpers.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/checker/check_helpers_test.go b/plugin/checker/check_helpers_test.go
index 69f245fce2a2..177421158fec 100644
--- a/plugin/checker/check_helpers_test.go
+++ b/plugin/checker/check_helpers_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/checker/internal/asthelpers/helpers.go b/plugin/checker/internal/asthelpers/helpers.go
index 1caf72e78d18..5ba4d4017b33 100644
--- a/plugin/checker/internal/asthelpers/helpers.go
+++ b/plugin/checker/internal/asthelpers/helpers.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package asthelpers
 
diff --git a/plugin/checker/internal/test/invalid/invalid.go b/plugin/checker/internal/test/invalid/invalid.go
index 56f413713c32..e4cfffa124dd 100644
--- a/plugin/checker/internal/test/invalid/invalid.go
+++ b/plugin/checker/internal/test/invalid/invalid.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package invalid
 
diff --git a/plugin/checker/internal/test/missing/missing.go b/plugin/checker/internal/test/missing/missing.go
index 14c0a7af87fd..f2cfc8eadeb2 100644
--- a/plugin/checker/internal/test/missing/missing.go
+++ b/plugin/checker/internal/test/missing/missing.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package missing
 
diff --git a/plugin/checker/internal/test/valid/valid.go b/plugin/checker/internal/test/valid/valid.go
index ecdb379d6b00..e0b6cb92fae7 100644
--- a/plugin/checker/internal/test/valid/valid.go
+++ b/plugin/checker/internal/test/valid/valid.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package valid
 
diff --git a/plugin/checker/internal/version/comments.go b/plugin/checker/internal/version/comments.go
index ac003d307036..90257aa5afeb 100644
--- a/plugin/checker/internal/version/comments.go
+++ b/plugin/checker/internal/version/comments.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package version
 
diff --git a/plugin/checker/internal/version/comments_test.go b/plugin/checker/internal/version/comments_test.go
index 4d71f714992d..33cb36e13675 100644
--- a/plugin/checker/internal/version/comments_test.go
+++ b/plugin/checker/internal/version/comments_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package version
 
diff --git a/plugin/checker/internal/version/version.go b/plugin/checker/internal/version/version.go
index 997179250f12..05e9c950fe58 100644
--- a/plugin/checker/internal/version/version.go
+++ b/plugin/checker/internal/version/version.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package version
 
diff --git a/plugin/checker/internal/version/version_test.go b/plugin/checker/internal/version/version_test.go
index 54bdf65b5cd9..b0da2d76db2e 100644
--- a/plugin/checker/internal/version/version_test.go
+++ b/plugin/checker/internal/version/version_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package version
 
diff --git a/plugin/checker/main.go b/plugin/checker/main.go
index 0269cee0e532..37298955e066 100644
--- a/plugin/checker/main.go
+++ b/plugin/checker/main.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/checker/render.go b/plugin/checker/render.go
index 885c09e98630..51016e802758 100644
--- a/plugin/checker/render.go
+++ b/plugin/checker/render.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package main
 
diff --git a/plugin/example_hello_world_test.go b/plugin/example_hello_world_test.go
index ef7ae83a05bf..b4716d5bf136 100644
--- a/plugin/example_hello_world_test.go
+++ b/plugin/example_hello_world_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package plugin_test
 
 import (
diff --git a/plugin/example_help_test.go b/plugin/example_help_test.go
index afd8114ab23c..e224df6f46e9 100644
--- a/plugin/example_help_test.go
+++ b/plugin/example_help_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package plugin_test
 
 import (
diff --git a/plugin/health_check.go b/plugin/health_check.go
index 2a6545f4cf11..0c873f82e4e3 100644
--- a/plugin/health_check.go
+++ b/plugin/health_check.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/health_check_test.go b/plugin/health_check_test.go
index 0b3b79b7639d..aeafe57be8d7 100644
--- a/plugin/health_check_test.go
+++ b/plugin/health_check_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/helpers_kv_test.go b/plugin/helpers_kv_test.go
index b1089e95745c..a8c8c48b2f59 100644
--- a/plugin/helpers_kv_test.go
+++ b/plugin/helpers_kv_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package plugin_test
 
 import (
diff --git a/plugin/hooks.go b/plugin/hooks.go
index dec0adc6ceb1..454b5417ac62 100644
--- a/plugin/hooks.go
+++ b/plugin/hooks.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/main_test.go b/plugin/main_test.go
index db3a7358d2ac..69c83b0cdef9 100644
--- a/plugin/main_test.go
+++ b/plugin/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin_test
 
diff --git a/plugin/plugintest/doc.go b/plugin/plugintest/doc.go
index 383711395e50..ed55748af2f5 100644
--- a/plugin/plugintest/doc.go
+++ b/plugin/plugintest/doc.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // The plugintest package provides mocks that can be used to test plugins.
 //
diff --git a/plugin/plugintest/example_hello_user_test.go b/plugin/plugintest/example_hello_user_test.go
index 24d053589d2b..4d198e75a354 100644
--- a/plugin/plugintest/example_hello_user_test.go
+++ b/plugin/plugintest/example_hello_user_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package plugintest_test
 
 import (
diff --git a/plugin/plugintest/mock/mock.go b/plugin/plugintest/mock/mock.go
index 6d593a4fe6b1..397ba428832e 100644
--- a/plugin/plugintest/mock/mock.go
+++ b/plugin/plugintest/mock/mock.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // This package provides aliases for the contents of "github.com/stretchr/testify/mock". Because
 // external packages can't import our vendored dependencies, this is necessary for them to be able
diff --git a/plugin/scheduler/scheduler.go b/plugin/scheduler/scheduler.go
index a14641470b05..a483cf91c1e2 100644
--- a/plugin/scheduler/scheduler.go
+++ b/plugin/scheduler/scheduler.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package scheduler
 
diff --git a/plugin/scheduler/worker.go b/plugin/scheduler/worker.go
index 1dc746a85188..cce5faa8e1a3 100644
--- a/plugin/scheduler/worker.go
+++ b/plugin/scheduler/worker.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package scheduler
 
diff --git a/plugin/stringifier.go b/plugin/stringifier.go
index 4a438d1ce2a2..6f4fcfbac46b 100644
--- a/plugin/stringifier.go
+++ b/plugin/stringifier.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/stringifier_test.go b/plugin/stringifier_test.go
index c9ac21293903..db40510b1236 100644
--- a/plugin/stringifier_test.go
+++ b/plugin/stringifier_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/supervisor_test.go b/plugin/supervisor_test.go
index 2515e39f3561..b2c65805f3a6 100644
--- a/plugin/supervisor_test.go
+++ b/plugin/supervisor_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/valid.go b/plugin/valid.go
index 5c543e67323f..1121d45519b4 100644
--- a/plugin/valid.go
+++ b/plugin/valid.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package plugin
 
diff --git a/plugin/valid_test.go b/plugin/valid_test.go
index 7fa10003e9ea..cdc8fffd8037 100644
--- a/plugin/valid_test.go
+++ b/plugin/valid_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package plugin_test
 
 import (
diff --git a/services/configservice/configservice.go b/services/configservice/configservice.go
index 66a16a35c8a0..a2978d4d896a 100644
--- a/services/configservice/configservice.go
+++ b/services/configservice/configservice.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package configservice
 
diff --git a/services/filesstore/filesstore.go b/services/filesstore/filesstore.go
index 6bc6316bd0fb..cc07969bba25 100644
--- a/services/filesstore/filesstore.go
+++ b/services/filesstore/filesstore.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore
 
diff --git a/services/filesstore/filesstore_test.go b/services/filesstore/filesstore_test.go
index 09f12488c299..35bdf119c84f 100644
--- a/services/filesstore/filesstore_test.go
+++ b/services/filesstore/filesstore_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore
 
diff --git a/services/filesstore/localstore.go b/services/filesstore/localstore.go
index cdadab4160a0..ca43bdbb427c 100644
--- a/services/filesstore/localstore.go
+++ b/services/filesstore/localstore.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore
 
diff --git a/services/filesstore/main_test.go b/services/filesstore/main_test.go
index cf342d5ca905..862638812512 100644
--- a/services/filesstore/main_test.go
+++ b/services/filesstore/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore_test
 
diff --git a/services/filesstore/s3store.go b/services/filesstore/s3store.go
index f7d65a9be08e..307b8b0700f4 100644
--- a/services/filesstore/s3store.go
+++ b/services/filesstore/s3store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore
 
diff --git a/services/filesstore/s3store_test.go b/services/filesstore/s3store_test.go
index 2ccbf2dabfc9..a72a4cc6b18a 100644
--- a/services/filesstore/s3store_test.go
+++ b/services/filesstore/s3store_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package filesstore
 
diff --git a/services/httpservice/client.go b/services/httpservice/client.go
index d3031a130a4b..5d89c93664a1 100644
--- a/services/httpservice/client.go
+++ b/services/httpservice/client.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package httpservice
 
diff --git a/services/httpservice/client_test.go b/services/httpservice/client_test.go
index 61c0132975b9..947e0d8dd747 100644
--- a/services/httpservice/client_test.go
+++ b/services/httpservice/client_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package httpservice
 
diff --git a/services/httpservice/httpservice.go b/services/httpservice/httpservice.go
index 33ec661a822f..375b0a6a6500 100644
--- a/services/httpservice/httpservice.go
+++ b/services/httpservice/httpservice.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package httpservice
 
diff --git a/services/httpservice/main_test.go b/services/httpservice/main_test.go
index 797f5c8000a0..8c03f5d7f2ed 100644
--- a/services/httpservice/main_test.go
+++ b/services/httpservice/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package httpservice_test
 
diff --git a/services/httpservice/transport.go b/services/httpservice/transport.go
index f442d0c8b2cf..abbc6c8d72bd 100644
--- a/services/httpservice/transport.go
+++ b/services/httpservice/transport.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package httpservice
 
diff --git a/services/imageproxy/atmos_camo.go b/services/imageproxy/atmos_camo.go
index 46b358c93422..88cd3e2567f6 100644
--- a/services/imageproxy/atmos_camo.go
+++ b/services/imageproxy/atmos_camo.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/atmos_camo_test.go b/services/imageproxy/atmos_camo_test.go
index 2d86175676f2..cc10c0bd7256 100644
--- a/services/imageproxy/atmos_camo_test.go
+++ b/services/imageproxy/atmos_camo_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/error.go b/services/imageproxy/error.go
index 3a46f64a3172..38a6b9d72e07 100644
--- a/services/imageproxy/error.go
+++ b/services/imageproxy/error.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/imageproxy.go b/services/imageproxy/imageproxy.go
index 63f042f2d2fc..a6913b4feec5 100644
--- a/services/imageproxy/imageproxy.go
+++ b/services/imageproxy/imageproxy.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/imageproxy_test.go b/services/imageproxy/imageproxy_test.go
index 719dca73dd5b..4cc961d21de4 100644
--- a/services/imageproxy/imageproxy_test.go
+++ b/services/imageproxy/imageproxy_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/local.go b/services/imageproxy/local.go
index e312f4907523..f79a1424b881 100644
--- a/services/imageproxy/local.go
+++ b/services/imageproxy/local.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/local_test.go b/services/imageproxy/local_test.go
index 4e37fbe586c7..34d95b2163ea 100644
--- a/services/imageproxy/local_test.go
+++ b/services/imageproxy/local_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy
 
diff --git a/services/imageproxy/main_test.go b/services/imageproxy/main_test.go
index 73250e02a60b..1726081f71f8 100644
--- a/services/imageproxy/main_test.go
+++ b/services/imageproxy/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imageproxy_test
 
diff --git a/services/mailservice/inbucket.go b/services/mailservice/inbucket.go
index b2a9a3bd80e2..0b6d1e8c690a 100644
--- a/services/mailservice/inbucket.go
+++ b/services/mailservice/inbucket.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mailservice
 
diff --git a/services/mailservice/mail.go b/services/mailservice/mail.go
index fa6c9ca7b15c..f7e003cb5be2 100644
--- a/services/mailservice/mail.go
+++ b/services/mailservice/mail.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package mailservice
 
diff --git a/services/mailservice/mail_test.go b/services/mailservice/mail_test.go
index 127d7b3354fd..cd22c5495afc 100644
--- a/services/mailservice/mail_test.go
+++ b/services/mailservice/mail_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mailservice
 
diff --git a/services/mailservice/main_test.go b/services/mailservice/main_test.go
index b831e32a72ab..ea6d186e0c74 100644
--- a/services/mailservice/main_test.go
+++ b/services/mailservice/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mailservice_test
 
diff --git a/services/marketplace/client.go b/services/marketplace/client.go
index 274a6215dd0d..5b176b4f5730 100644
--- a/services/marketplace/client.go
+++ b/services/marketplace/client.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package marketplace
 
diff --git a/services/mfa/main_test.go b/services/mfa/main_test.go
index d7c7617cc643..caebdb60e060 100644
--- a/services/mfa/main_test.go
+++ b/services/mfa/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mfa_test
 
diff --git a/services/mfa/mfa.go b/services/mfa/mfa.go
index 5947a2b80f6f..eb7076bf2822 100644
--- a/services/mfa/mfa.go
+++ b/services/mfa/mfa.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mfa
 
diff --git a/services/mfa/mfa_test.go b/services/mfa/mfa_test.go
index 46e2998b7dd2..8760803d0807 100644
--- a/services/mfa/mfa_test.go
+++ b/services/mfa/mfa_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package mfa
 
diff --git a/services/timezones/default.go b/services/timezones/default.go
index db84a2510ccb..3d835f7d3bce 100644
--- a/services/timezones/default.go
+++ b/services/timezones/default.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package timezones
 
diff --git a/services/timezones/timezones.go b/services/timezones/timezones.go
index ab955bd4e2d5..e211a4cd859c 100644
--- a/services/timezones/timezones.go
+++ b/services/timezones/timezones.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package timezones
 
diff --git a/services/timezones/timezones_test.go b/services/timezones/timezones_test.go
index db202bb1bd3b..6749ba68b2d9 100644
--- a/services/timezones/timezones_test.go
+++ b/services/timezones/timezones_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package timezones
 
diff --git a/store/constants.go b/store/constants.go
index 6d3c4812e4ca..a9f9a4f8d9b9 100644
--- a/store/constants.go
+++ b/store/constants.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package store
 
diff --git a/store/localcachelayer/channel_layer.go b/store/localcachelayer/channel_layer.go
index 3e979a80dadc..4e586a803609 100644
--- a/store/localcachelayer/channel_layer.go
+++ b/store/localcachelayer/channel_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/channel_layer_test.go b/store/localcachelayer/channel_layer_test.go
index 6968ea808753..35dd08b6b20e 100644
--- a/store/localcachelayer/channel_layer_test.go
+++ b/store/localcachelayer/channel_layer_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package localcachelayer
 
 import (
diff --git a/store/localcachelayer/emoji_layer.go b/store/localcachelayer/emoji_layer.go
index 117befe22add..22e01293f5ab 100644
--- a/store/localcachelayer/emoji_layer.go
+++ b/store/localcachelayer/emoji_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/emoji_layer_test.go b/store/localcachelayer/emoji_layer_test.go
index d010954f02c9..c8b10598ea7b 100644
--- a/store/localcachelayer/emoji_layer_test.go
+++ b/store/localcachelayer/emoji_layer_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/layer.go b/store/localcachelayer/layer.go
index 93a5b34e848c..4975ba18f35d 100644
--- a/store/localcachelayer/layer.go
+++ b/store/localcachelayer/layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/layer_test.go b/store/localcachelayer/layer_test.go
index 01d7ccd5fd56..a6c749f719f1 100644
--- a/store/localcachelayer/layer_test.go
+++ b/store/localcachelayer/layer_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/main_test.go b/store/localcachelayer/main_test.go
index 3bfc1c37319d..513fcff51002 100644
--- a/store/localcachelayer/main_test.go
+++ b/store/localcachelayer/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/post_layer.go b/store/localcachelayer/post_layer.go
index 4fff3ce1ddd1..d06a9a738139 100644
--- a/store/localcachelayer/post_layer.go
+++ b/store/localcachelayer/post_layer.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/post_layer_test.go b/store/localcachelayer/post_layer_test.go
index 1c1e22c6aa9e..e4ca5790c67b 100644
--- a/store/localcachelayer/post_layer_test.go
+++ b/store/localcachelayer/post_layer_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/reaction_layer.go b/store/localcachelayer/reaction_layer.go
index 918efce88dc4..7497b6c8ea72 100644
--- a/store/localcachelayer/reaction_layer.go
+++ b/store/localcachelayer/reaction_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/reaction_layer_test.go b/store/localcachelayer/reaction_layer_test.go
index 41e27c92f595..2fd578ddce46 100644
--- a/store/localcachelayer/reaction_layer_test.go
+++ b/store/localcachelayer/reaction_layer_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/role_layer.go b/store/localcachelayer/role_layer.go
index 2303e070abc7..e2556c91c6eb 100644
--- a/store/localcachelayer/role_layer.go
+++ b/store/localcachelayer/role_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/role_layer_test.go b/store/localcachelayer/role_layer_test.go
index fb841fbebbc4..75f2e179487a 100644
--- a/store/localcachelayer/role_layer_test.go
+++ b/store/localcachelayer/role_layer_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/scheme_layer.go b/store/localcachelayer/scheme_layer.go
index c33b824081f3..693d5edea3fc 100644
--- a/store/localcachelayer/scheme_layer.go
+++ b/store/localcachelayer/scheme_layer.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/scheme_layer_test.go b/store/localcachelayer/scheme_layer_test.go
index 206a2f38a1a2..0b694f398dbf 100644
--- a/store/localcachelayer/scheme_layer_test.go
+++ b/store/localcachelayer/scheme_layer_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/user_layer.go b/store/localcachelayer/user_layer.go
index a93fbe933236..7104602a9eb3 100644
--- a/store/localcachelayer/user_layer.go
+++ b/store/localcachelayer/user_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/user_layer_test.go b/store/localcachelayer/user_layer_test.go
index 9fb05e7c815f..1a9bb1e79f6e 100644
--- a/store/localcachelayer/user_layer_test.go
+++ b/store/localcachelayer/user_layer_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/webhook_layer.go b/store/localcachelayer/webhook_layer.go
index e1cfa3dc74c4..fa7729b980c6 100644
--- a/store/localcachelayer/webhook_layer.go
+++ b/store/localcachelayer/webhook_layer.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/localcachelayer/webhook_layer_test.go b/store/localcachelayer/webhook_layer_test.go
index 0be05ff2dda1..ad28260fbf70 100644
--- a/store/localcachelayer/webhook_layer_test.go
+++ b/store/localcachelayer/webhook_layer_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package localcachelayer
 
diff --git a/store/sqlstore/audit_store.go b/store/sqlstore/audit_store.go
index 97d240266980..95f986f50392 100644
--- a/store/sqlstore/audit_store.go
+++ b/store/sqlstore/audit_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/audit_store_test.go b/store/sqlstore/audit_store_test.go
index 76c938090cc7..b510054a6f7d 100644
--- a/store/sqlstore/audit_store_test.go
+++ b/store/sqlstore/audit_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/bot_store.go b/store/sqlstore/bot_store.go
index 43e2d83a0751..e10d4e560287 100644
--- a/store/sqlstore/bot_store.go
+++ b/store/sqlstore/bot_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/bot_store_test.go b/store/sqlstore/bot_store_test.go
index 59098bfc1b53..28f28a260fcb 100644
--- a/store/sqlstore/bot_store_test.go
+++ b/store/sqlstore/bot_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/channel_member_history_store.go b/store/sqlstore/channel_member_history_store.go
index 64e51258669b..d445acbfcd9b 100644
--- a/store/sqlstore/channel_member_history_store.go
+++ b/store/sqlstore/channel_member_history_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/channel_member_history_store_test.go b/store/sqlstore/channel_member_history_store_test.go
index c60ffd5c3778..20a40e3c7f20 100644
--- a/store/sqlstore/channel_member_history_store_test.go
+++ b/store/sqlstore/channel_member_history_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/channel_store.go b/store/sqlstore/channel_store.go
index 86d3fceb2a93..6a728f8ddf74 100644
--- a/store/sqlstore/channel_store.go
+++ b/store/sqlstore/channel_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/channel_store_test.go b/store/sqlstore/channel_store_test.go
index 5eb44e653358..0cca273f5456 100644
--- a/store/sqlstore/channel_store_test.go
+++ b/store/sqlstore/channel_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/cluster_discovery_store.go b/store/sqlstore/cluster_discovery_store.go
index c39ae0fb2cf1..98e3cda7e296 100644
--- a/store/sqlstore/cluster_discovery_store.go
+++ b/store/sqlstore/cluster_discovery_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/cluster_discovery_store_test.go b/store/sqlstore/cluster_discovery_store_test.go
index e7115c9b9207..342f3509d149 100644
--- a/store/sqlstore/cluster_discovery_store_test.go
+++ b/store/sqlstore/cluster_discovery_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/command_store.go b/store/sqlstore/command_store.go
index 2e9899f12907..ae791e89f4a2 100644
--- a/store/sqlstore/command_store.go
+++ b/store/sqlstore/command_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/command_store_test.go b/store/sqlstore/command_store_test.go
index 49b789dde98e..7490d28b627e 100644
--- a/store/sqlstore/command_store_test.go
+++ b/store/sqlstore/command_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/command_webhook_store.go b/store/sqlstore/command_webhook_store.go
index 853f2df7b382..fa3280ede5bd 100644
--- a/store/sqlstore/command_webhook_store.go
+++ b/store/sqlstore/command_webhook_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/command_webhook_store_test.go b/store/sqlstore/command_webhook_store_test.go
index 0182d95490ec..46db27bb9c1c 100644
--- a/store/sqlstore/command_webhook_store_test.go
+++ b/store/sqlstore/command_webhook_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/compliance_store.go b/store/sqlstore/compliance_store.go
index 5bc822601731..3ec46fb565e5 100644
--- a/store/sqlstore/compliance_store.go
+++ b/store/sqlstore/compliance_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/compliance_store_test.go b/store/sqlstore/compliance_store_test.go
index ec385c9c70ea..687c854453d1 100644
--- a/store/sqlstore/compliance_store_test.go
+++ b/store/sqlstore/compliance_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/emoji_store.go b/store/sqlstore/emoji_store.go
index 62be1bd23683..bfe6dae7c013 100644
--- a/store/sqlstore/emoji_store.go
+++ b/store/sqlstore/emoji_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/emoji_store_test.go b/store/sqlstore/emoji_store_test.go
index bf08e7c5337d..c5bc1b6c61e8 100644
--- a/store/sqlstore/emoji_store_test.go
+++ b/store/sqlstore/emoji_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/file_info_store.go b/store/sqlstore/file_info_store.go
index 8a01965357c0..1f4eed7ca2b2 100644
--- a/store/sqlstore/file_info_store.go
+++ b/store/sqlstore/file_info_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/file_info_store_test.go b/store/sqlstore/file_info_store_test.go
index 2415a6413790..e20b028f761b 100644
--- a/store/sqlstore/file_info_store_test.go
+++ b/store/sqlstore/file_info_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/group_store.go b/store/sqlstore/group_store.go
index 09c401d56d55..d5eb1e3d12a2 100644
--- a/store/sqlstore/group_store.go
+++ b/store/sqlstore/group_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/group_store_test.go b/store/sqlstore/group_store_test.go
index 97ff9c00e563..1ee0417102a1 100644
--- a/store/sqlstore/group_store_test.go
+++ b/store/sqlstore/group_store_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/init_test.go b/store/sqlstore/init_test.go
index fe85e3b29875..d8b198a0e89d 100644
--- a/store/sqlstore/init_test.go
+++ b/store/sqlstore/init_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package sqlstore
 
 func InitTest() {
diff --git a/store/sqlstore/integrity.go b/store/sqlstore/integrity.go
index 340ceb339fbb..c7fb884e93d7 100644
--- a/store/sqlstore/integrity.go
+++ b/store/sqlstore/integrity.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/integrity_test.go b/store/sqlstore/integrity_test.go
index f58fdbd9e983..7e52b02654c7 100644
--- a/store/sqlstore/integrity_test.go
+++ b/store/sqlstore/integrity_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/job_store.go b/store/sqlstore/job_store.go
index fa74f958f786..328d207c1bda 100644
--- a/store/sqlstore/job_store.go
+++ b/store/sqlstore/job_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/job_store_test.go b/store/sqlstore/job_store_test.go
index cc3cea3ed265..ca7ed249c475 100644
--- a/store/sqlstore/job_store_test.go
+++ b/store/sqlstore/job_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/license_store.go b/store/sqlstore/license_store.go
index a73eefc8f94c..6b582a0a55b9 100644
--- a/store/sqlstore/license_store.go
+++ b/store/sqlstore/license_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/license_store_test.go b/store/sqlstore/license_store_test.go
index a72c96f3f092..82ef57d60adf 100644
--- a/store/sqlstore/license_store_test.go
+++ b/store/sqlstore/license_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/link_metadata_store.go b/store/sqlstore/link_metadata_store.go
index d1b73c3c538a..99f9aeda7a61 100644
--- a/store/sqlstore/link_metadata_store.go
+++ b/store/sqlstore/link_metadata_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/link_metadata_store_test.go b/store/sqlstore/link_metadata_store_test.go
index 1f454403f1ee..76071210c01f 100644
--- a/store/sqlstore/link_metadata_store_test.go
+++ b/store/sqlstore/link_metadata_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/main_test.go b/store/sqlstore/main_test.go
index 09db83b783dd..1c639241f7c4 100644
--- a/store/sqlstore/main_test.go
+++ b/store/sqlstore/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore_test
 
diff --git a/store/sqlstore/oauth_store.go b/store/sqlstore/oauth_store.go
index f719b588c185..3f246a107063 100644
--- a/store/sqlstore/oauth_store.go
+++ b/store/sqlstore/oauth_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/oauth_store_test.go b/store/sqlstore/oauth_store_test.go
index b7475ddc6224..cc9290eab65c 100644
--- a/store/sqlstore/oauth_store_test.go
+++ b/store/sqlstore/oauth_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/plugin_store.go b/store/sqlstore/plugin_store.go
index 294d5e17f060..d5804676bde6 100644
--- a/store/sqlstore/plugin_store.go
+++ b/store/sqlstore/plugin_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/plugin_store_test.go b/store/sqlstore/plugin_store_test.go
index ee082239d338..8e2c170ef793 100644
--- a/store/sqlstore/plugin_store_test.go
+++ b/store/sqlstore/plugin_store_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/post_store.go b/store/sqlstore/post_store.go
index 84b84778b379..19f81c18554a 100644
--- a/store/sqlstore/post_store.go
+++ b/store/sqlstore/post_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/post_store_test.go b/store/sqlstore/post_store_test.go
index 44267ddf078c..6cbaf809c39f 100644
--- a/store/sqlstore/post_store_test.go
+++ b/store/sqlstore/post_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/preference_store.go b/store/sqlstore/preference_store.go
index 4bcdbbc75c94..c8fd3459be2b 100644
--- a/store/sqlstore/preference_store.go
+++ b/store/sqlstore/preference_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/preference_store_test.go b/store/sqlstore/preference_store_test.go
index d634709a07ab..5259da78aaad 100644
--- a/store/sqlstore/preference_store_test.go
+++ b/store/sqlstore/preference_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/reaction_store_test.go b/store/sqlstore/reaction_store_test.go
index d61c7d34adab..a23a20ce77b4 100644
--- a/store/sqlstore/reaction_store_test.go
+++ b/store/sqlstore/reaction_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/role_store_test.go b/store/sqlstore/role_store_test.go
index 2caf92f26459..a5aa823ab080 100644
--- a/store/sqlstore/role_store_test.go
+++ b/store/sqlstore/role_store_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/role_supplier.go b/store/sqlstore/role_supplier.go
index dcdc5cb70365..c5a33afbe083 100644
--- a/store/sqlstore/role_supplier.go
+++ b/store/sqlstore/role_supplier.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/scheme_store_test.go b/store/sqlstore/scheme_store_test.go
index c9615dbf1fa5..fbd7ce43b7e3 100644
--- a/store/sqlstore/scheme_store_test.go
+++ b/store/sqlstore/scheme_store_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/scheme_supplier.go b/store/sqlstore/scheme_supplier.go
index d25b5fca9021..b04926306ab1 100644
--- a/store/sqlstore/scheme_supplier.go
+++ b/store/sqlstore/scheme_supplier.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/session_store.go b/store/sqlstore/session_store.go
index 025998b8ce5c..40d4196d0073 100644
--- a/store/sqlstore/session_store.go
+++ b/store/sqlstore/session_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/session_store_test.go b/store/sqlstore/session_store_test.go
index 50aecc6100b8..79c389937d2f 100644
--- a/store/sqlstore/session_store_test.go
+++ b/store/sqlstore/session_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/status_store.go b/store/sqlstore/status_store.go
index 609caf1faf96..ddf3abdeae72 100644
--- a/store/sqlstore/status_store.go
+++ b/store/sqlstore/status_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/status_store_test.go b/store/sqlstore/status_store_test.go
index ee8c5a479ddb..da96808bdf0d 100644
--- a/store/sqlstore/status_store_test.go
+++ b/store/sqlstore/status_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/store.go b/store/sqlstore/store.go
index ed581ae44962..984b4e4ae2a4 100644
--- a/store/sqlstore/store.go
+++ b/store/sqlstore/store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/store_test.go b/store/sqlstore/store_test.go
index 7e4a4ea0121a..ebe4746baa93 100644
--- a/store/sqlstore/store_test.go
+++ b/store/sqlstore/store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/supplier.go b/store/sqlstore/supplier.go
index 813f25a9095d..dc3aac4613fb 100644
--- a/store/sqlstore/supplier.go
+++ b/store/sqlstore/supplier.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/supplier_reactions.go b/store/sqlstore/supplier_reactions.go
index 9ee8174dbb23..4265e8324ca3 100644
--- a/store/sqlstore/supplier_reactions.go
+++ b/store/sqlstore/supplier_reactions.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/supplier_test.go b/store/sqlstore/supplier_test.go
index ac0b3adc4630..68ff306ad768 100644
--- a/store/sqlstore/supplier_test.go
+++ b/store/sqlstore/supplier_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package sqlstore_test
 
 import (
diff --git a/store/sqlstore/system_store.go b/store/sqlstore/system_store.go
index 454ae3fdaac6..b3f220d56acc 100644
--- a/store/sqlstore/system_store.go
+++ b/store/sqlstore/system_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/system_store_test.go b/store/sqlstore/system_store_test.go
index a44844968431..dfd8381bd4fc 100644
--- a/store/sqlstore/system_store_test.go
+++ b/store/sqlstore/system_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/team_store.go b/store/sqlstore/team_store.go
index 81188d8c7da7..06870f459387 100644
--- a/store/sqlstore/team_store.go
+++ b/store/sqlstore/team_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/team_store_test.go b/store/sqlstore/team_store_test.go
index 4d8056c8da36..164a96c1d2a1 100644
--- a/store/sqlstore/team_store_test.go
+++ b/store/sqlstore/team_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/terms_of_service_store.go b/store/sqlstore/terms_of_service_store.go
index 9ef8bec420aa..73ee31648edc 100644
--- a/store/sqlstore/terms_of_service_store.go
+++ b/store/sqlstore/terms_of_service_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/terms_of_service_store_test.go b/store/sqlstore/terms_of_service_store_test.go
index 1ff508999514..45d919b574e5 100644
--- a/store/sqlstore/terms_of_service_store_test.go
+++ b/store/sqlstore/terms_of_service_store_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package sqlstore
 
 import (
diff --git a/store/sqlstore/tokens_store.go b/store/sqlstore/tokens_store.go
index 1b49fc07e2df..718d7f22b5d6 100644
--- a/store/sqlstore/tokens_store.go
+++ b/store/sqlstore/tokens_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/upgrade.go b/store/sqlstore/upgrade.go
index e3b56c1d6de4..919a9a0fdd72 100644
--- a/store/sqlstore/upgrade.go
+++ b/store/sqlstore/upgrade.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/upgrade_test.go b/store/sqlstore/upgrade_test.go
index fa40aad09f3d..02060425394a 100644
--- a/store/sqlstore/upgrade_test.go
+++ b/store/sqlstore/upgrade_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_access_token_store.go b/store/sqlstore/user_access_token_store.go
index 9fa524592b80..3671d30fdb36 100644
--- a/store/sqlstore/user_access_token_store.go
+++ b/store/sqlstore/user_access_token_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_access_token_store_test.go b/store/sqlstore/user_access_token_store_test.go
index ae3fd085670e..dacd767317ba 100644
--- a/store/sqlstore/user_access_token_store_test.go
+++ b/store/sqlstore/user_access_token_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_store.go b/store/sqlstore/user_store.go
index f43bb06d2875..c159d9da3b7f 100644
--- a/store/sqlstore/user_store.go
+++ b/store/sqlstore/user_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_store_test.go b/store/sqlstore/user_store_test.go
index 97a87e7218db..5af2659f3be9 100644
--- a/store/sqlstore/user_store_test.go
+++ b/store/sqlstore/user_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_terms_of_service.go b/store/sqlstore/user_terms_of_service.go
index 7ead0a6ea4a8..5e6fb4830b67 100644
--- a/store/sqlstore/user_terms_of_service.go
+++ b/store/sqlstore/user_terms_of_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/user_terms_of_service_store_test.go b/store/sqlstore/user_terms_of_service_store_test.go
index 535647a29094..d938d59751e3 100644
--- a/store/sqlstore/user_terms_of_service_store_test.go
+++ b/store/sqlstore/user_terms_of_service_store_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package sqlstore
 
 import (
diff --git a/store/sqlstore/utils.go b/store/sqlstore/utils.go
index b0d9cab64622..4018a17a651e 100644
--- a/store/sqlstore/utils.go
+++ b/store/sqlstore/utils.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/utils_test.go b/store/sqlstore/utils_test.go
index 8f16cffbbc98..e7c6bdce2dc8 100644
--- a/store/sqlstore/utils_test.go
+++ b/store/sqlstore/utils_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package sqlstore
 
 import (
diff --git a/store/sqlstore/webhook_store.go b/store/sqlstore/webhook_store.go
index 7054834f8662..7a413f32c53f 100644
--- a/store/sqlstore/webhook_store.go
+++ b/store/sqlstore/webhook_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/sqlstore/webhook_store_test.go b/store/sqlstore/webhook_store_test.go
index 1ca01e2213ad..88a1c11758dd 100644
--- a/store/sqlstore/webhook_store_test.go
+++ b/store/sqlstore/webhook_store_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package sqlstore
 
diff --git a/store/store.go b/store/store.go
index 653b17c3eb8f..6adeb4558221 100644
--- a/store/store.go
+++ b/store/store.go
@@ -1,7 +1,7 @@
 //go:generate go run layer_generators/main.go
 
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package store
 
diff --git a/store/storetest/audit_store.go b/store/storetest/audit_store.go
index 0eb04d00e77f..b9bbbd726cba 100644
--- a/store/storetest/audit_store.go
+++ b/store/storetest/audit_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/bot_store.go b/store/storetest/bot_store.go
index 59b7fa39376e..0eb63a85a683 100644
--- a/store/storetest/bot_store.go
+++ b/store/storetest/bot_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/channel_member_history_store.go b/store/storetest/channel_member_history_store.go
index 2e382576f678..5eba1ff2b8af 100644
--- a/store/storetest/channel_member_history_store.go
+++ b/store/storetest/channel_member_history_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/channel_store.go b/store/storetest/channel_store.go
index e981305e7386..cb6cf78b9baa 100644
--- a/store/storetest/channel_store.go
+++ b/store/storetest/channel_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/cluster_discovery_store.go b/store/storetest/cluster_discovery_store.go
index b577cd49b87d..f4e34df17e6b 100644
--- a/store/storetest/cluster_discovery_store.go
+++ b/store/storetest/cluster_discovery_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/command_store.go b/store/storetest/command_store.go
index 65d9b6b40687..2c32c3fddecb 100644
--- a/store/storetest/command_store.go
+++ b/store/storetest/command_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/command_webhook_store.go b/store/storetest/command_webhook_store.go
index 9d36bda73099..e1b3a558c2ab 100644
--- a/store/storetest/command_webhook_store.go
+++ b/store/storetest/command_webhook_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/compliance_store.go b/store/storetest/compliance_store.go
index 397c983f10b2..45e1e51ef0d8 100644
--- a/store/storetest/compliance_store.go
+++ b/store/storetest/compliance_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/emoji_store.go b/store/storetest/emoji_store.go
index 32dab6532bdd..6e9b63f980d5 100644
--- a/store/storetest/emoji_store.go
+++ b/store/storetest/emoji_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/file_info_store.go b/store/storetest/file_info_store.go
index 82328aad16f2..c06bffef6b25 100644
--- a/store/storetest/file_info_store.go
+++ b/store/storetest/file_info_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/group_store.go b/store/storetest/group_store.go
index 7027cdf95ce1..a1787fc3a879 100644
--- a/store/storetest/group_store.go
+++ b/store/storetest/group_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/job_store.go b/store/storetest/job_store.go
index 40022b646459..8cac520afd33 100644
--- a/store/storetest/job_store.go
+++ b/store/storetest/job_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/license_store.go b/store/storetest/license_store.go
index 7354f9e57a4f..206058a9e1b0 100644
--- a/store/storetest/license_store.go
+++ b/store/storetest/license_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/link_metadata_store.go b/store/storetest/link_metadata_store.go
index 9da744deb415..5a3bae2a0418 100644
--- a/store/storetest/link_metadata_store.go
+++ b/store/storetest/link_metadata_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/oauth_store.go b/store/storetest/oauth_store.go
index 89656daae048..034bbac5e244 100644
--- a/store/storetest/oauth_store.go
+++ b/store/storetest/oauth_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/plugin_store.go b/store/storetest/plugin_store.go
index f9d55acb2c2d..869c56cae165 100644
--- a/store/storetest/plugin_store.go
+++ b/store/storetest/plugin_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/post_store.go b/store/storetest/post_store.go
index c10be34a3c88..05079da8644f 100644
--- a/store/storetest/post_store.go
+++ b/store/storetest/post_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/preference_store.go b/store/storetest/preference_store.go
index 8a355359ca32..399978c58a5d 100644
--- a/store/storetest/preference_store.go
+++ b/store/storetest/preference_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/reaction_store.go b/store/storetest/reaction_store.go
index 45d71e839eb0..243dab2e2efb 100644
--- a/store/storetest/reaction_store.go
+++ b/store/storetest/reaction_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/role_store.go b/store/storetest/role_store.go
index 2eeb1e2f4948..917bf320487f 100644
--- a/store/storetest/role_store.go
+++ b/store/storetest/role_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/scheme_store.go b/store/storetest/scheme_store.go
index 20007c8903ac..a42aebe4560f 100644
--- a/store/storetest/scheme_store.go
+++ b/store/storetest/scheme_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/session_store.go b/store/storetest/session_store.go
index 1216f784d523..7be440e85ec6 100644
--- a/store/storetest/session_store.go
+++ b/store/storetest/session_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/settings.go b/store/storetest/settings.go
index 2fc6050eb58c..d7cd40b0f890 100644
--- a/store/storetest/settings.go
+++ b/store/storetest/settings.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/status_store.go b/store/storetest/status_store.go
index 35022ce67ecf..7a1fdfc1f88e 100644
--- a/store/storetest/status_store.go
+++ b/store/storetest/status_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/store.go b/store/storetest/store.go
index 8c8597d94cd5..3ec2bc4f3007 100644
--- a/store/storetest/store.go
+++ b/store/storetest/store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/storetestlib.go b/store/storetest/storetestlib.go
index 7ad96ba023cb..7f3d4ead7c1b 100644
--- a/store/storetest/storetestlib.go
+++ b/store/storetest/storetestlib.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/system_store.go b/store/storetest/system_store.go
index 2c1b0f71b983..b116fae1e36f 100644
--- a/store/storetest/system_store.go
+++ b/store/storetest/system_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/team_store.go b/store/storetest/team_store.go
index 91c82d557ca3..c7854573147e 100644
--- a/store/storetest/team_store.go
+++ b/store/storetest/team_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/terms_of_service_store.go b/store/storetest/terms_of_service_store.go
index e93600e94ced..22ce9d561ac9 100644
--- a/store/storetest/terms_of_service_store.go
+++ b/store/storetest/terms_of_service_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/user_access_token_store.go b/store/storetest/user_access_token_store.go
index 0c286aee8fc7..f86945df2ebe 100644
--- a/store/storetest/user_access_token_store.go
+++ b/store/storetest/user_access_token_store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/user_store.go b/store/storetest/user_store.go
index af8ed239e264..b8a5ab3cc230 100644
--- a/store/storetest/user_store.go
+++ b/store/storetest/user_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/user_terms_of_service.go b/store/storetest/user_terms_of_service.go
index b3027286f30b..c566096e2f28 100644
--- a/store/storetest/user_terms_of_service.go
+++ b/store/storetest/user_terms_of_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/store/storetest/webhook_store.go b/store/storetest/webhook_store.go
index 452ef316c9ba..fc3d403235c3 100644
--- a/store/storetest/webhook_store.go
+++ b/store/storetest/webhook_store.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package storetest
 
diff --git a/testlib/cluster.go b/testlib/cluster.go
index fba0b0289c06..a6bfd5b24033 100644
--- a/testlib/cluster.go
+++ b/testlib/cluster.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testlib
 
diff --git a/testlib/doc.go b/testlib/doc.go
index 77897e96c150..f15f0186473d 100644
--- a/testlib/doc.go
+++ b/testlib/doc.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // testlib exposes helper methods for running unit tests against a containerized test store.
 package testlib
diff --git a/testlib/helper.go b/testlib/helper.go
index 643cddc9a42e..bd486b1b9a8b 100644
--- a/testlib/helper.go
+++ b/testlib/helper.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testlib
 
diff --git a/testlib/resources.go b/testlib/resources.go
index 2eb978a0e098..681e6607df09 100644
--- a/testlib/resources.go
+++ b/testlib/resources.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testlib
 
diff --git a/testlib/resources_test.go b/testlib/resources_test.go
index e74752cfec2f..b7b7487a97de 100644
--- a/testlib/resources_test.go
+++ b/testlib/resources_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package testlib
 
 import (
diff --git a/testlib/store.go b/testlib/store.go
index 131b2370493b..21672ff92f6f 100644
--- a/testlib/store.go
+++ b/testlib/store.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testlib
 
diff --git a/utils/api.go b/utils/api.go
index f23c22af83a7..f85b34b0040c 100644
--- a/utils/api.go
+++ b/utils/api.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/api_test.go b/utils/api_test.go
index 35bdb992396a..e790e6a4e3c1 100644
--- a/utils/api_test.go
+++ b/utils/api_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/authorization.go b/utils/authorization.go
index e8d0f392efbf..fcd88b820abd 100644
--- a/utils/authorization.go
+++ b/utils/authorization.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/authorization_test.go b/utils/authorization_test.go
index 5300bb7999ac..617f23b1a780 100644
--- a/utils/authorization_test.go
+++ b/utils/authorization_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/backoff.go b/utils/backoff.go
index be6dcc9a79e6..08a996f43616 100644
--- a/utils/backoff.go
+++ b/utils/backoff.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/backoff_test.go b/utils/backoff_test.go
index 1ebff82e730c..f3ee5d7de41b 100644
--- a/utils/backoff_test.go
+++ b/utils/backoff_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package utils
 
 import (
diff --git a/utils/emoji.go b/utils/emoji.go
index 6797e5e0a2d9..bfad8ee1f4be 100644
--- a/utils/emoji.go
+++ b/utils/emoji.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/extract.go b/utils/extract.go
index 12f21da865b0..37064e1d165d 100644
--- a/utils/extract.go
+++ b/utils/extract.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/file.go b/utils/file.go
index 923c559cc4e6..b4de4bdaf913 100644
--- a/utils/file.go
+++ b/utils/file.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/file_test.go b/utils/file_test.go
index 6c7e3c46270d..cdaff587f5ed 100644
--- a/utils/file_test.go
+++ b/utils/file_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/fileutils/fileutils.go b/utils/fileutils/fileutils.go
index 81c37415e593..8e708c8c8fbd 100644
--- a/utils/fileutils/fileutils.go
+++ b/utils/fileutils/fileutils.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package fileutils
 
diff --git a/utils/fileutils/fileutils_test.go b/utils/fileutils/fileutils_test.go
index a6b2c51a0a0e..97805b0ebdc5 100644
--- a/utils/fileutils/fileutils_test.go
+++ b/utils/fileutils/fileutils_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package fileutils
 
diff --git a/utils/fileutils/main_test.go b/utils/fileutils/main_test.go
index b9966bde6a4d..4c4e1ff5487b 100644
--- a/utils/fileutils/main_test.go
+++ b/utils/fileutils/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package fileutils_test
 
diff --git a/utils/hash.go b/utils/hash.go
index cc82fd94b112..49f63b7eed98 100644
--- a/utils/hash.go
+++ b/utils/hash.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/html.go b/utils/html.go
index 157610e4e1b2..78904ffab97f 100644
--- a/utils/html.go
+++ b/utils/html.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/html_test.go b/utils/html_test.go
index ca531ae21062..e819492f91ce 100644
--- a/utils/html_test.go
+++ b/utils/html_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/i18n.go b/utils/i18n.go
index 97fbfc3505b2..347a4664b4d1 100644
--- a/utils/i18n.go
+++ b/utils/i18n.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/imgutils/gif.go b/utils/imgutils/gif.go
index 48aa988b2fab..0c8420f8e793 100644
--- a/utils/imgutils/gif.go
+++ b/utils/imgutils/gif.go
@@ -1,6 +1,8 @@
-// Copyright (c) 2011 The Go Authors.
-// Modified work: Copyright (c) 2019 Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+// This is a modified version, the original copyright was: Copyright (c) 2011
+// The Go Authors.
 
 package imgutils
 
diff --git a/utils/imgutils/gif_test.go b/utils/imgutils/gif_test.go
index 6a3047803a39..c5fb4e6a6c14 100644
--- a/utils/imgutils/gif_test.go
+++ b/utils/imgutils/gif_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package imgutils
 
diff --git a/utils/jsonutils/json.go b/utils/jsonutils/json.go
index da77a2b6ba33..4651ec873a11 100644
--- a/utils/jsonutils/json.go
+++ b/utils/jsonutils/json.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package jsonutils
 
diff --git a/utils/jsonutils/json_test.go b/utils/jsonutils/json_test.go
index 36ef0906c246..22720f23cecb 100644
--- a/utils/jsonutils/json_test.go
+++ b/utils/jsonutils/json_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package jsonutils_test
 
diff --git a/utils/jsonutils/main_test.go b/utils/jsonutils/main_test.go
index e733797789af..3a7db37a760d 100644
--- a/utils/jsonutils/main_test.go
+++ b/utils/jsonutils/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package jsonutils_test
 
diff --git a/utils/license.go b/utils/license.go
index 8c8f340a7a74..ec42cf98cdf8 100644
--- a/utils/license.go
+++ b/utils/license.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/license_test.go b/utils/license_test.go
index 513b351671f9..f540e81ec92a 100644
--- a/utils/license_test.go
+++ b/utils/license_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/logger.go b/utils/logger.go
index 320f1b708993..57e43f17da16 100644
--- a/utils/logger.go
+++ b/utils/logger.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/lru.go b/utils/lru.go
index 5a516493e456..7a5027b192d1 100644
--- a/utils/lru.go
+++ b/utils/lru.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 // This files was copied/modified from https://github.com/hashicorp/golang-lru
 // which was (see below)
 
diff --git a/utils/lru_test.go b/utils/lru_test.go
index d366e3de2e70..578d41400d47 100644
--- a/utils/lru_test.go
+++ b/utils/lru_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 // This files was copied/modified from https://github.com/hashicorp/golang-lru
 // which was (see below)
 
diff --git a/utils/main_test.go b/utils/main_test.go
index 4409a3d572ce..d4347116363b 100644
--- a/utils/main_test.go
+++ b/utils/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils_test
 
diff --git a/utils/markdown/autolink.go b/utils/markdown/autolink.go
index d362151aa732..141808368822 100644
--- a/utils/markdown/autolink.go
+++ b/utils/markdown/autolink.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/autolink_test.go b/utils/markdown/autolink_test.go
index 2ced13b52b6d..2ab7dc158707 100644
--- a/utils/markdown/autolink_test.go
+++ b/utils/markdown/autolink_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/block_quote.go b/utils/markdown/block_quote.go
index 04a324617d88..6ae2ff446889 100644
--- a/utils/markdown/block_quote.go
+++ b/utils/markdown/block_quote.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/blocks.go b/utils/markdown/blocks.go
index 921cdebc5a20..44ee178d1b33 100644
--- a/utils/markdown/blocks.go
+++ b/utils/markdown/blocks.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/commonmark_test.go b/utils/markdown/commonmark_test.go
index d1381cee5170..e989670a424a 100644
--- a/utils/markdown/commonmark_test.go
+++ b/utils/markdown/commonmark_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/document.go b/utils/markdown/document.go
index 224b5d21520e..306b93da87b1 100644
--- a/utils/markdown/document.go
+++ b/utils/markdown/document.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/fenced_code.go b/utils/markdown/fenced_code.go
index 8b2ebd4fe010..4fd97fd064c0 100644
--- a/utils/markdown/fenced_code.go
+++ b/utils/markdown/fenced_code.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/html.go b/utils/markdown/html.go
index afb72bff323d..52583074c5b4 100644
--- a/utils/markdown/html.go
+++ b/utils/markdown/html.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/html_entities.go b/utils/markdown/html_entities.go
index 8fe2481115d1..e94cebb9f794 100644
--- a/utils/markdown/html_entities.go
+++ b/utils/markdown/html_entities.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/indented_code.go b/utils/markdown/indented_code.go
index dc5dce1accf3..a89ee6c70cc1 100644
--- a/utils/markdown/indented_code.go
+++ b/utils/markdown/indented_code.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/inlines.go b/utils/markdown/inlines.go
index 8ec0fcc9634e..4303607fdd1c 100644
--- a/utils/markdown/inlines.go
+++ b/utils/markdown/inlines.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/inspect.go b/utils/markdown/inspect.go
index 80b5bc246427..3c7f2d1c75d5 100644
--- a/utils/markdown/inspect.go
+++ b/utils/markdown/inspect.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/inspect_test.go b/utils/markdown/inspect_test.go
index 0c5032f2d7c4..41ec683dce1c 100644
--- a/utils/markdown/inspect_test.go
+++ b/utils/markdown/inspect_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/lines.go b/utils/markdown/lines.go
index a38b5164cf94..a0a644916e96 100644
--- a/utils/markdown/lines.go
+++ b/utils/markdown/lines.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/lines_test.go b/utils/markdown/lines_test.go
index 78603c5eac28..673e1284905c 100644
--- a/utils/markdown/lines_test.go
+++ b/utils/markdown/lines_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/links.go b/utils/markdown/links.go
index 9f3128c4fbae..df4aa748771b 100644
--- a/utils/markdown/links.go
+++ b/utils/markdown/links.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/links_test.go b/utils/markdown/links_test.go
index 15012e26bd34..082b32c2a650 100644
--- a/utils/markdown/links_test.go
+++ b/utils/markdown/links_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/list.go b/utils/markdown/list.go
index aea71156c837..3903929504db 100644
--- a/utils/markdown/list.go
+++ b/utils/markdown/list.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/main_test.go b/utils/markdown/main_test.go
index 777e65ef427b..a60179071245 100644
--- a/utils/markdown/main_test.go
+++ b/utils/markdown/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown_test
 
diff --git a/utils/markdown/markdown.go b/utils/markdown/markdown.go
index 57b10f3fb9d9..a9879ceedf1d 100644
--- a/utils/markdown/markdown.go
+++ b/utils/markdown/markdown.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 // This package implements a parser for the subset of the CommonMark spec necessary for us to do
 // server-side processing. It is not a full implementation and lacks many features. But it is
diff --git a/utils/markdown/paragraph.go b/utils/markdown/paragraph.go
index 6a40fdf898d1..aef01b5e1519 100644
--- a/utils/markdown/paragraph.go
+++ b/utils/markdown/paragraph.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/reference_definition.go b/utils/markdown/reference_definition.go
index e2d0be350e7c..69e8ed940160 100644
--- a/utils/markdown/reference_definition.go
+++ b/utils/markdown/reference_definition.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/markdown/text_range_test.go b/utils/markdown/text_range_test.go
index de3dd09850ac..7909d4be6032 100644
--- a/utils/markdown/text_range_test.go
+++ b/utils/markdown/text_range_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package markdown
 
diff --git a/utils/merge.go b/utils/merge.go
index 968b4992a59e..84287b002379 100644
--- a/utils/merge.go
+++ b/utils/merge.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/merge_test.go b/utils/merge_test.go
index 1a04f5495144..54f0a4eb5885 100644
--- a/utils/merge_test.go
+++ b/utils/merge_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package utils_test
 
 import (
diff --git a/utils/password.go b/utils/password.go
index c522cc21884a..9e05a8abeabc 100644
--- a/utils/password.go
+++ b/utils/password.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/password_test.go b/utils/password_test.go
index 777d2444821c..29b1fb9cb5a7 100644
--- a/utils/password_test.go
+++ b/utils/password_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package utils
 
 import (
diff --git a/utils/path.go b/utils/path.go
index 5f921b41d3c3..d1fc6ebc7fac 100644
--- a/utils/path.go
+++ b/utils/path.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/path_test.go b/utils/path_test.go
index 70b7c24fcb35..86a756a9255c 100644
--- a/utils/path_test.go
+++ b/utils/path_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/random.go b/utils/random.go
index 8f3008f9d798..eaffcdca159e 100644
--- a/utils/random.go
+++ b/utils/random.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/subpath.go b/utils/subpath.go
index 759b13b2b0e7..23da53be1265 100644
--- a/utils/subpath.go
+++ b/utils/subpath.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/subpath_test.go b/utils/subpath_test.go
index 3f95cda97a13..e033c7658efd 100644
--- a/utils/subpath_test.go
+++ b/utils/subpath_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package utils_test
 
 import (
diff --git a/utils/test_files_compiler.go b/utils/test_files_compiler.go
index 6bf6ad05f043..9f083f882843 100644
--- a/utils/test_files_compiler.go
+++ b/utils/test_files_compiler.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/testutils/static_config_service.go b/utils/testutils/static_config_service.go
index b6aac2b15d3b..07500d9a631a 100644
--- a/utils/testutils/static_config_service.go
+++ b/utils/testutils/static_config_service.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testutils
 
diff --git a/utils/testutils/testutils.go b/utils/testutils/testutils.go
index 6a3c17a118b6..3ad1b16d60e7 100644
--- a/utils/testutils/testutils.go
+++ b/utils/testutils/testutils.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package testutils
 
diff --git a/utils/textgeneration.go b/utils/textgeneration.go
index cede61426df6..c7bcda880707 100644
--- a/utils/textgeneration.go
+++ b/utils/textgeneration.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/time.go b/utils/time.go
index 5227887f7eec..7843fe4977f2 100644
--- a/utils/time.go
+++ b/utils/time.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/time_test.go b/utils/time_test.go
index 8f151ccc2e39..13146146b51e 100644
--- a/utils/time_test.go
+++ b/utils/time_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/urlencode.go b/utils/urlencode.go
index 0110ab6e33cb..dae3f7e76a44 100644
--- a/utils/urlencode.go
+++ b/utils/urlencode.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/urlencode_test.go b/utils/urlencode_test.go
index 54bd3b73298c..139fefa5135e 100644
--- a/utils/urlencode_test.go
+++ b/utils/urlencode_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/utils.go b/utils/utils.go
index 5800faa50844..f9d347cafc04 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/utils/utils_test.go b/utils/utils_test.go
index 0f18b9806126..ff421659354d 100644
--- a/utils/utils_test.go
+++ b/utils/utils_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package utils
 
diff --git a/web/context.go b/web/context.go
index 385caea83876..8bc7f17992d3 100644
--- a/web/context.go
+++ b/web/context.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/context_test.go b/web/context_test.go
index dfd779992c70..f6278af242ed 100644
--- a/web/context_test.go
+++ b/web/context_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
 package web
 
 import (
diff --git a/web/handlers.go b/web/handlers.go
index 03782bf4243e..0d024eacf548 100644
--- a/web/handlers.go
+++ b/web/handlers.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/handlers_test.go b/web/handlers_test.go
index 3003e8b8bbd2..a64a7c6ade1a 100644
--- a/web/handlers_test.go
+++ b/web/handlers_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/main_test.go b/web/main_test.go
index 89f931110b55..7f47d6a1a0b4 100644
--- a/web/main_test.go
+++ b/web/main_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/oauth.go b/web/oauth.go
index 94148c9e4952..8c5f47e0863a 100644
--- a/web/oauth.go
+++ b/web/oauth.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/oauth_test.go b/web/oauth_test.go
index 2fbf19a153ba..add0a5f5a457 100644
--- a/web/oauth_test.go
+++ b/web/oauth_test.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2019-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/params.go b/web/params.go
index a9eebebf1ff5..a01ba5c6dee2 100644
--- a/web/params.go
+++ b/web/params.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/saml.go b/web/saml.go
index 6efc68638518..991dd1807a21 100644
--- a/web/saml.go
+++ b/web/saml.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/static.go b/web/static.go
index 8bfb443b31fe..5ecb60e16eec 100644
--- a/web/static.go
+++ b/web/static.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/unsupported_browser.go b/web/unsupported_browser.go
index 5edd430a5bb9..5178821df80e 100644
--- a/web/unsupported_browser.go
+++ b/web/unsupported_browser.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/web.go b/web/web.go
index 4b7921d648c4..278b0a8fe3e2 100644
--- a/web/web.go
+++ b/web/web.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/web_test.go b/web/web_test.go
index dcb9564b3569..9dc524407051 100644
--- a/web/web_test.go
+++ b/web/web_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/webhook.go b/web/webhook.go
index ac103a204c54..f589904777b4 100644
--- a/web/webhook.go
+++ b/web/webhook.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/web/webhook_test.go b/web/webhook_test.go
index 7e617590e9f9..f887e0818bae 100644
--- a/web/webhook_test.go
+++ b/web/webhook_test.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// See LICENSE.txt for license information.
 
 package web
 
diff --git a/wsapi/api.go b/wsapi/api.go
index c659032ced97..de430bcda3f4 100644
--- a/wsapi/api.go
+++ b/wsapi/api.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package wsapi
 
diff --git a/wsapi/status.go b/wsapi/status.go
index 3ba158adaf0b..2f407456aea3 100644
--- a/wsapi/status.go
+++ b/wsapi/status.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package wsapi
 
diff --git a/wsapi/system.go b/wsapi/system.go
index 343c9c06cd3e..237392d3abe7 100644
--- a/wsapi/system.go
+++ b/wsapi/system.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package wsapi
 
diff --git a/wsapi/user.go b/wsapi/user.go
index 0d2e16b9e48b..2b6acdadf232 100644
--- a/wsapi/user.go
+++ b/wsapi/user.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package wsapi
 
diff --git a/wsapi/websocket_handler.go b/wsapi/websocket_handler.go
index 7dcef3f3b66c..3812c2c7554a 100644
--- a/wsapi/websocket_handler.go
+++ b/wsapi/websocket_handler.go
@@ -1,5 +1,5 @@
-// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
 
 package wsapi