diff --git a/_Sidebar.md b/_Sidebar.md
index aef380f..9cfa874 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,6 +1,7 @@
 ## Contents
 ### [Wiki](https://github.com/yokoffing/Betterfox/wiki)
-### [1 Make a backup](https://github.com/yokoffing/Betterfox/wiki/Backup)
-### [2 Common Overrides](https://github.com/yokoffing/Betterfox/wiki/Common-Overrides)
-### [3 Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening)
-### [4 Advanced Users](https://github.com/yokoffing/Betterfox/wiki/Advanced-Users)
\ No newline at end of file
+### [1 Understanding user.js syntax](https://github.com/yokoffing/Betterfox/wiki/user.js-Syntax)
+### [2 Make a backup](https://github.com/yokoffing/Betterfox/wiki/Backup)
+### [3 Common Overrides](https://github.com/yokoffing/Betterfox/wiki/Common-Overrides)
+### [4 Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening)
+### [5 Advanced Users](https://github.com/yokoffing/Betterfox/wiki/Advanced-Users)
\ No newline at end of file