diff --git a/README.mkd b/README.mkd
index 6875efa..9db70bc 100644
--- a/README.mkd
+++ b/README.mkd
@@ -71,6 +71,13 @@ let g:user_emmet_mode='inv'  "enable all functions, which is equal to
 let g:user_emmet_mode='a'    "enable all function in all mode.
 ```
 
+## Enable just for html/css
+
+```vim
+let g:user_emmet_install_global = 0
+autocmd FileType html,css EmmetInstall
+```
+
 ## Project Authors
 
 [Yasuhiro Matsumoto](http://mattn.kaoriya.net/)