diff --git a/_Sidebar.md b/_Sidebar.md
index 00285f0..c34df04 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -21,6 +21,7 @@
 **Usage**
 * [[Diagram support]]
 * [[Vim mode]]
+* [[emacs mode]]
 * [[PDF export]]
 * [[Jump by headers in a note]]