diff --git a/plotjuggler_plugins/DataStreamMQTT/mqtt_dialog.cpp b/plotjuggler_plugins/DataStreamMQTT/mqtt_dialog.cpp
index 81b2038cb..c4e6644ce 100644
--- a/plotjuggler_plugins/DataStreamMQTT/mqtt_dialog.cpp
+++ b/plotjuggler_plugins/DataStreamMQTT/mqtt_dialog.cpp
@@ -118,7 +118,7 @@ MQTT_Dialog::MQTT_Dialog(MQTTClient::Ptr mosq_client)
   connect(_client.get(), &MQTTClient::disconnected, this, [this]() {
     onConnectionClosed();
     QMessageBox::warning(this, "Connection Lost",
-                         "Client disconnected. Maybe a problem with autentication?");
+                         "Client disconnected. Maybe a problem with authentication?");
   });
 }
 
diff --git a/plotjuggler_plugins/ParserProtobuf/CMakeLists.txt b/plotjuggler_plugins/ParserProtobuf/CMakeLists.txt
index f399fdad9..588c69ba8 100644
--- a/plotjuggler_plugins/ParserProtobuf/CMakeLists.txt
+++ b/plotjuggler_plugins/ParserProtobuf/CMakeLists.txt
@@ -42,5 +42,5 @@ if( Protobuf_FOUND)
 
     install(TARGETS ProtobufParser DESTINATION ${PJ_PLUGIN_INSTALL_DIRECTORY}  )
 else()
-    message("[Protobuf] not found: skipping compilatiopn of plugin ProtobufParser")
+    message("[Protobuf] not found: skipping compilation of plugin ProtobufParser")
 endif()