diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2017-10-01-preview/authorization-RoleAssignmentsCalls.json b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2017-10-01-preview/authorization-RoleAssignmentsCalls.json
index d7ec0c79ca0c..9eb61cda463f 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2017-10-01-preview/authorization-RoleAssignmentsCalls.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2017-10-01-preview/authorization-RoleAssignmentsCalls.json
@@ -234,7 +234,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleAssignmentsCalls.json b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleAssignmentsCalls.json
index cec28e312ab5..72d56b3c3869 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleAssignmentsCalls.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-01-01-preview/authorization-RoleAssignmentsCalls.json
@@ -230,7 +230,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-09-01-preview/authorization-RoleAssignmentsCalls.json b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-09-01-preview/authorization-RoleAssignmentsCalls.json
index 786241892497..62aaca33046b 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-09-01-preview/authorization-RoleAssignmentsCalls.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2018-09-01-preview/authorization-RoleAssignmentsCalls.json
@@ -230,7 +230,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-04-01-preview/authorization-RoleAssignmentsCalls.json b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-04-01-preview/authorization-RoleAssignmentsCalls.json
index ccd6e28121eb..80055f3d4f33 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-04-01-preview/authorization-RoleAssignmentsCalls.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-04-01-preview/authorization-RoleAssignmentsCalls.json
@@ -239,7 +239,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-10-01-preview/RoleAssignmentScheduleRequest.json b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-10-01-preview/RoleAssignmentScheduleRequest.json
index fd87a39ab5ae..70527b318b19 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-10-01-preview/RoleAssignmentScheduleRequest.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/preview/2020-10-01-preview/RoleAssignmentScheduleRequest.json
@@ -55,7 +55,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/stable/2015-07-01/authorization-RoleAssignmentsCalls.json b/specification/authorization/resource-manager/Microsoft.Authorization/stable/2015-07-01/authorization-RoleAssignmentsCalls.json
index 79a41c0510c3..91983c7fdbe1 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/stable/2015-07-01/authorization-RoleAssignmentsCalls.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/stable/2015-07-01/authorization-RoleAssignmentsCalls.json
@@ -234,7 +234,7 @@
             "in": "path",
             "required": true,
             "type": "string",
-            "description": "The name of the role assignment to create. It can be any valid GUID."
+            "description": "A GUID for the role assignment to create. The name must be unique and different for each role assignment."
           },
           {
             "name": "parameters",