diff --git a/_Sidebar.md b/_Sidebar.md
index 9aa186c..e8aec71 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,6 +1,7 @@
 * [[Screenshot tour]]
 * Basic concepts
   * [[Document]]
+  * [[Note]]
   * [[Tree concepts]]
   * [[Text editor]]
   * [[Links]]