diff --git a/vimrc b/vimrc
index bb61d46..a71c7fa 100644
--- a/vimrc
+++ b/vimrc
@@ -136,6 +136,8 @@ map <leader>sn ]s
 map <leader>sp [s
 map <leader>sa zg
 map <leader>s? z=
+" toggle show number
+map <leader>ln :set number!<cr>
 
 "" ADDITIONAL AUTOCOMMANDS