diff --git a/Cheatsheet.textile b/Cheatsheet.textile
index 48b9d98..6afc506 100644
--- a/Cheatsheet.textile
+++ b/Cheatsheet.textile
@@ -3,3 +3,4 @@ Tab-completion:
 * @cap (tab)@
 * @rake (tab)@
 * @ssh (tab)@
+* @sudo umount (tab)@