diff --git a/_Sidebar.md b/_Sidebar.md
index 08099cd..5dc2c4d 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -30,6 +30,9 @@
 **Integrations**
 * [[Evernote]]
 
+**For developers**
+* [[Data format]]
+
 **Others**
 * [[Downgrade Boostnote]]
 * [[Uninstall Boostnote]]