diff --git a/topics/basics/testing_plugins/testing_plugins.md b/topics/basics/testing_plugins/testing_plugins.md
index d8aece736..83e2c904e 100644
--- a/topics/basics/testing_plugins/testing_plugins.md
+++ b/topics/basics/testing_plugins/testing_plugins.md
@@ -1,7 +1,9 @@
-[//]: # (title: Testing Overview)
+# Testing Overview
 
 <!-- Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license. -->
 
+<link-summary>Introduction to testing plugins.</link-summary>
+
 Most of the tests in the IntelliJ Platform codebase are *model-level functional tests*.
 What this means is the following:
 
@@ -34,8 +36,8 @@ Please do not use <path>platform/testGuiFramework</path>, as it is reserved for
 
 > Check out [this step-by-step tutorial](writing_tests_for_plugins.md) teaching how to write and run automated tests for your custom language plugin.
 > Also, code samples
-> [comparing_string_references_inspection](https://github.com/JetBrains/intellij-sdk-docs/tree/main/code_samples/comparing_string_references_inspection)
-> and [conditional_operator_intention](https://github.com/JetBrains/intellij-sdk-docs/tree/main/code_samples/conditional_operator_intention) demonstrate using tests.
+> [comparing_string_references_inspection](%gh-sdk-samples%/comparing_string_references_inspection)
+> and [conditional_operator_intention](%gh-sdk-samples%/conditional_operator_intention) demonstrate using tests.
 >
 {style="note"}