diff --git a/_Sidebar.md b/_Sidebar.md
index cf31b58..f3b48a1 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -14,4 +14,5 @@
     - [FeedExpander](FeedExpander)
   - [Cache API](Cache-API)
     - [How to create a new Cache?](How-to-create-a-new-Cache)
+    - [CacheInterface](CacheInterface)
   - [Technical Recommendations](Technical-Recommendations)
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