diff --git a/cfg/buildprofiles.xml b/cfg/buildprofiles.xml
index ed9cbe16e..8f13ee19c 100644
--- a/cfg/buildprofiles.xml
+++ b/cfg/buildprofiles.xml
@@ -28,7 +28,7 @@
         <noindex-content-in-release>false</noindex-content-in-release>
 
         <upsource-commit-hash>65a154986bab4efd090c38ce682166210d378878</upsource-commit-hash>
-        <upsource-tag>213.6777.52</upsource-tag>
+        <upsource-tag>213.6777.52</upsource-tag>        <!-- synchronize with entries in v.list -->
         <upsource-repo-name>idea-ce</upsource-repo-name>
         <upsource-server-address>upsource.jetbrains.com</upsource-server-address>
         <product-web-url>https://plugins.jetbrains.com/docs/intellij/</product-web-url>
diff --git a/topics/appendix/resources/extension_point_list.md b/topics/appendix/resources/extension_point_list.md
index 1aef6c4eb..f36bff028 100644
--- a/topics/appendix/resources/extension_point_list.md
+++ b/topics/appendix/resources/extension_point_list.md
@@ -2,7 +2,7 @@
 
 <!-- Copyright 2000-2022 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. -->
 
-1361 Extension Points and 199 Listeners
+1361 Extension Points and 199 Listeners for IntelliJ Platform %ijPlatform%
 
 - [IntelliJ Platform](#intellij-platform)
 - [IntelliJ Community Plugins](#intellij-community-plugins)
diff --git a/topics/intro/about.md b/topics/intro/about.md
index 2de74c4e3..4f4c2bc05 100644
--- a/topics/intro/about.md
+++ b/topics/intro/about.md
@@ -6,6 +6,8 @@ This guide is split into several parts, similar to a textbook.
 Each one builds on the content of the previous section, but it is not necessary to read the guide in order.
 The [Key Topics](key_topics.md) page aims to link to the pages that are necessary to be able to understand the architecture and get started building plugins.
 
+All source links and reference lists target IntelliJ Platform %ijPlatform%.
+
  > While browsing this guide, you will notice that there are topics that are greyed out.
  > Unfortunately, the guide is not complete and contains placeholders for specific topics.
  > We are working on increasing the coverage, but if you get stuck due to missing content, please see the [Getting Help](getting_help.md) section for details on how to get moving again.