diff --git a/_SUMMARY.md b/_SUMMARY.md
index 62d2969fe..8efd40716 100644
--- a/_SUMMARY.md
+++ b/_SUMMARY.md
@@ -37,6 +37,8 @@
     * [PSI Cookbook](basic_topics/psi_cookbook.html)
     * [Virtual File System](basic_topics/virtual_file_system.html)
     * [Indexing and PSI Stubs](basic_topics/indexing_and_psi_stubs.html)
+        * [File-based indexes](basic_topics/indexing_and_psi_stubs/file_based_indexes.html)
+        * [Stub indexes](basic_topics/indexing_and_psi_stubs/stub_indexes.html)
     * [Run Configurations](basic_topics/run_configurations.html)
     * [Testing Plugins](basic_topics/testing_plugins.html)
         * [Tests and Fixtures](basic_topics/testing_plugins/tests_and_fixtures.html)
diff --git a/basic_topics/indexing_and_psi_stubs.md b/basic_topics/indexing_and_psi_stubs.md
index 1a8e7564c..b61d2be3b 100644
--- a/basic_topics/indexing_and_psi_stubs.md
+++ b/basic_topics/indexing_and_psi_stubs.md
@@ -9,8 +9,8 @@ Plugin developers can use the existing indexes built by the IDE itself, as well
 
 It supports two main types of indexes:
 
-*  [File-based indexes](file_based_indexes.html)
-*  [Stub indexes](stub_indexes.html)
+*  [File-based indexes](basic_topics/indexing_and_psi_stubs/file_based_indexes.html)
+*  [Stub indexes](basic_topics/indexing_and_psi_stubs/stub_indexes.html)
 
 File-based indexes are built directly over the content of files.
 Stub indexes are built over serialized *stub trees*.
diff --git a/file_based_indexes.md b/basic_topics/indexing_and_psi_stubs/file_based_indexes.md
similarity index 100%
rename from file_based_indexes.md
rename to basic_topics/indexing_and_psi_stubs/file_based_indexes.md
diff --git a/stub_indexes.md b/basic_topics/indexing_and_psi_stubs/stub_indexes.md
similarity index 100%
rename from stub_indexes.md
rename to basic_topics/indexing_and_psi_stubs/stub_indexes.md