diff --git a/_Sidebar.md b/_Sidebar.md
index 17272b3..4e1b683 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -19,7 +19,7 @@
   - [Cache API](Cache-API)
     - [How to create a new Cache?](How-to-create-a-new-Cache)
     - [CacheInterface](CacheInterface)
-  - Format API
+  - [Format API](Format-API)
     - [How to create a new Format?](How-to-create-a-new-Format)
     - [FormatInterface](FormatInterface)
     - [FormatAbstract](FormatAbstract)