diff --git a/action_basics/src/main/resources/META-INF/plugin.xml b/action_basics/src/main/resources/META-INF/plugin.xml
index d0a6f502c..86122fc1b 100644
--- a/action_basics/src/main/resources/META-INF/plugin.xml
+++ b/action_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/comparing_references_inspection/src/main/resources/META-INF/plugin.xml b/comparing_references_inspection/src/main/resources/META-INF/plugin.xml
index 8aab5825c..51b0cba3d 100644
--- a/comparing_references_inspection/src/main/resources/META-INF/plugin.xml
+++ b/comparing_references_inspection/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/conditional_operator_intention/src/main/resources/META-INF/plugin.xml b/conditional_operator_intention/src/main/resources/META-INF/plugin.xml
index e82f8b347..9fc74cf5d 100644
--- a/conditional_operator_intention/src/main/resources/META-INF/plugin.xml
+++ b/conditional_operator_intention/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/editor_basics/src/main/resources/META-INF/plugin.xml b/editor_basics/src/main/resources/META-INF/plugin.xml
index 4247060e0..5edec7ab3 100644
--- a/editor_basics/src/main/resources/META-INF/plugin.xml
+++ b/editor_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/facet_basics/src/main/resources/META-INF/plugin.xml b/facet_basics/src/main/resources/META-INF/plugin.xml
index c26d0b04f..1f3ea4ed3 100644
--- a/facet_basics/src/main/resources/META-INF/plugin.xml
+++ b/facet_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/framework_basics/src/main/resources/META-INF/plugin.xml b/framework_basics/src/main/resources/META-INF/plugin.xml
index 452560644..f14bcaace 100644
--- a/framework_basics/src/main/resources/META-INF/plugin.xml
+++ b/framework_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/inspection_basics/src/main/resources/META-INF/plugin.xml b/inspection_basics/src/main/resources/META-INF/plugin.xml
index c048ed606..80da33b2f 100644
--- a/inspection_basics/src/main/resources/META-INF/plugin.xml
+++ b/inspection_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/kotlin_demo/src/main/resources/META-INF/plugin.xml b/kotlin_demo/src/main/resources/META-INF/plugin.xml
index a92d0efca..321bbec6e 100644
--- a/kotlin_demo/src/main/resources/META-INF/plugin.xml
+++ b/kotlin_demo/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/live_templates/src/main/resources/META-INF/plugin.xml b/live_templates/src/main/resources/META-INF/plugin.xml
index 9fbdd113a..2324b3b63 100644
--- a/live_templates/src/main/resources/META-INF/plugin.xml
+++ b/live_templates/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/max_opened_projects/src/main/resources/META-INF/plugin.xml b/max_opened_projects/src/main/resources/META-INF/plugin.xml
index 6b7106567..7fa8d63ce 100644
--- a/max_opened_projects/src/main/resources/META-INF/plugin.xml
+++ b/max_opened_projects/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/module/src/main/resources/META-INF/plugin.xml b/module/src/main/resources/META-INF/plugin.xml
index 3568b15b6..b4f9d9937 100644
--- a/module/src/main/resources/META-INF/plugin.xml
+++ b/module/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/product_specific/pycharm_basics/src/main/resources/META-INF/plugin.xml b/product_specific/pycharm_basics/src/main/resources/META-INF/plugin.xml
index 177c55ba3..9c732921a 100644
--- a/product_specific/pycharm_basics/src/main/resources/META-INF/plugin.xml
+++ b/product_specific/pycharm_basics/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/project_model/src/main/resources/META-INF/plugin.xml b/project_model/src/main/resources/META-INF/plugin.xml
index 505855582..193f0d8ae 100644
--- a/project_model/src/main/resources/META-INF/plugin.xml
+++ b/project_model/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/project_view_pane/src/main/resources/META-INF/plugin.xml b/project_view_pane/src/main/resources/META-INF/plugin.xml
index 9c91ead3a..720daca36 100644
--- a/project_view_pane/src/main/resources/META-INF/plugin.xml
+++ b/project_view_pane/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/project_wizard/src/main/resources/META-INF/plugin.xml b/project_wizard/src/main/resources/META-INF/plugin.xml
index ee52f5a07..bf96cb56a 100644
--- a/project_wizard/src/main/resources/META-INF/plugin.xml
+++ b/project_wizard/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/psi_demo/src/main/resources/META-INF/plugin.xml b/psi_demo/src/main/resources/META-INF/plugin.xml
index cfb4f5269..f875b3f9e 100644
--- a/psi_demo/src/main/resources/META-INF/plugin.xml
+++ b/psi_demo/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/run_configuration/src/main/resources/META-INF/plugin.xml b/run_configuration/src/main/resources/META-INF/plugin.xml
index 5802198b8..e9e4f41c5 100644
--- a/run_configuration/src/main/resources/META-INF/plugin.xml
+++ b/run_configuration/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/settings/src/main/resources/META-INF/plugin.xml b/settings/src/main/resources/META-INF/plugin.xml
index ca8a60278..ef3397386 100644
--- a/settings/src/main/resources/META-INF/plugin.xml
+++ b/settings/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/simple_language_plugin/src/main/resources/META-INF/plugin.xml b/simple_language_plugin/src/main/resources/META-INF/plugin.xml
index 701b4f976..1b767302f 100644
--- a/simple_language_plugin/src/main/resources/META-INF/plugin.xml
+++ b/simple_language_plugin/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/theme_basics/resources/META-INF/plugin.xml b/theme_basics/resources/META-INF/plugin.xml
index 16959f51e..4ab940a89 100644
--- a/theme_basics/resources/META-INF/plugin.xml
+++ b/theme_basics/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/tool_window/src/main/resources/META-INF/plugin.xml b/tool_window/src/main/resources/META-INF/plugin.xml
index 16bc410f2..2b7a28d7e 100644
--- a/tool_window/src/main/resources/META-INF/plugin.xml
+++ b/tool_window/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>
 
diff --git a/tree_structure_provider/src/main/resources/META-INF/plugin.xml b/tree_structure_provider/src/main/resources/META-INF/plugin.xml
index 4a98af8db..55aa39d38 100644
--- a/tree_structure_provider/src/main/resources/META-INF/plugin.xml
+++ b/tree_structure_provider/src/main/resources/META-INF/plugin.xml
@@ -1,4 +1,5 @@
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
 
 <idea-plugin>