diff --git a/_Sidebar.md b/_Sidebar.md
index 91561b8..9c1a8de 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -18,6 +18,7 @@
 
 # [For developers](For-developers)
   - [Coding style policy](Coding-style-policy)
+    - [Indentation](Indentation)
   - [Pull request policy](Pull-request-policy)
   - [Folder structure](Folder-structure)
   - [Actions](Actions)