diff --git a/editors/emacs/README.md b/editors/emacs/README.md
index d7c2742..44df6d9 100644
--- a/editors/emacs/README.md
+++ b/editors/emacs/README.md
@@ -1,13 +1,14 @@
-#EMACS Integration
+#Emacs Integration
 
 ##Requirements
-* You must have the [auto-complete](https://github.com/auto-complete/auto-complete) package.
+* You must have the [auto-complete](https://github.com/auto-complete/auto-complete) package, and [yasnippet](https://github.com/capitaomorte/yasnippet) package is recommended.
 * Make sure dcd-client and dcd-server is in your exec-path. Otherwise, please set the variable ```dcd-exectutable``` and ```dcd-server-executable``` using ```M-x customize```.
 
 ## Setup
 * First, follow the Setup section in the root README.
 * Second, add the following to your .emacs. With this setting, dcd-server starts automatically when you open file in d-mode.
 ```
+;;; ac-dcd
 (add-to-list 'load-path "path_to_ac-dcd.el")
 (require 'ac-dcd)
 (add-to-list 'ac-modes 'd-mode)
@@ -16,13 +17,15 @@
   (add-to-list 'ac-sources 'ac-source-dcd)
   (auto-complete-mode t))
 (add-hook 'd-mode-hook 'ac-d-mode-setup)
+
+(define-key d-mode-map (kbd "C-c C-h") 'ac-dcd-popup-ddoc-at-point) ;of course, you can change this keybind.
+
 ```
+
 * Third, set import path using ```M-x customize-variable RET ac-dcd-flags```.
 * When something is wrong, please check variables with ```M-x customize-apropos RET ac-dcd``` and restart server with ```M-x ac-dcd-init-server```.
 
 ## TODO
-* better error detection
-* detailed ac-source symbol
 * goto definition
-* show doc
+* Multi byte character support (Need help!)
 * and so on...