diff --git a/README.md b/README.md
index b418424..64b81ab 100644
--- a/README.md
+++ b/README.md
@@ -157,6 +157,11 @@ let g:fzf_commands_expect = 'alt-enter,ctrl-x'
 You can use autoload functions to define your own commands.
 
 ```vim
+" git grep
+command! -bang -nargs=* GGrep
+  \ call fzf#vim#grep('git grep --line-number '.shellescape(<q-args>), 0, <bang>0)
+
+" We use VimEnter event so that the code is run after fzf.vim is loaded
 autocmd VimEnter * command! Colors
   \ call fzf#vim#colors({'left': '15%', 'options': '--reverse --margin 30%,0'})
 ```
diff --git a/doc/fzf-vim.txt b/doc/fzf-vim.txt
index c4a0e56..2752ea5 100644
--- a/doc/fzf-vim.txt
+++ b/doc/fzf-vim.txt
@@ -183,7 +183,11 @@ Advanced customization using autoload functions~
 
 You can use autoload functions to define your own commands.
 >
-    " Advanced customization using autoload functions
+    " git grep
+    command! -bang -nargs=* GGrep
+      \ call fzf#vim#grep('git grep --line-number '.shellescape(<q-args>), 0, <bang>0)
+
+    " We use VimEnter event so that the code is run after fzf.vim is loaded
     autocmd VimEnter * command! Colors
       \ call fzf#vim#colors({'left': '15%', 'options': '--reverse --margin 30%,0'})
 <