diff --git a/README.md b/README.md
index b0098b8..f716515 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,26 @@
-# md6
+Md6-256
+==========
 
-md6 FTW
+Contents/Menu
+----------
+* About
+* Requirements
+* License
+* Download
+* Issues/Feedbacks
+* Contribution
+* Credits
 
-## Supports
+About
+----------
+MD6-256 hash algoritm for PHP, Python and Javascript.
 
-* php
-
-## LICENSE
+Requirements
+----------
+1. PHP | Python | Javascript
 
+License
+----------
 ```
         DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
                     Version 2, December 2004 
@@ -22,4 +35,32 @@ md6 FTW
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 
 
   0. You just DO WHAT THE FUCK YOU WANT TO.
-```
\ No newline at end of file
+```
+
+Download
+----------
+Download the latest version:
+* Github:
+ * Zip: https://github.com/Snack-X/md6/archive/master.zip
+ * tAr.GZ: https://github.com/Snack-X/md6/archive/master.tar.gz
+ * SSh: git@github.com:Snack-X/md6.git
+
+Issues/Feedbacks
+----------
+* Email: korsnack@korsnack.kr
+* Website: http://korsnack.kr
+* Via Github:
+ * https://github.com/Snack-X/md6/issues
+
+Contribution
+----------
+* Send feedbacks.
+* Submit bug reports.
+* Fix bugs or add new features:
+ * Via Github:
+   * HTTPS: https://github.com/Snack-X/md6.git
+   * SSh: git@github.com:Snack-X/md6.git
+
+Credits
+----------
+* Snack [Owner/Developer/Maintainer] <http://korsnack.kr>
diff --git a/md6.js b/md6.js
index afb7be1..cb69eb7 100644
--- a/md6.js
+++ b/md6.js
@@ -1,6 +1,6 @@
 /**
  * 
- *  md6hash for Javascript
+ *  md6-256 hash algoritm for Javascript
  *
  *  Usage :
  *      var md6 = new md6hash();
diff --git a/md6.php b/md6.php
index 66f203c..0e880cd 100644
--- a/md6.php
+++ b/md6.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * 
- *  md6hash for PHP
+ *  md6-256 hash algoritm for PHP
  *
  *  Usage :
  *      $md6 = new md6hash;
@@ -55,9 +55,8 @@ private function _shl($x, $n) {
 		if($n >= 32) {
 			return array(($b << ($n - 32)) & 0xffffffff, 0x00000000);
 		}
-		else {
-			return array((($a << $n) | ($b >> (32 - $n))) & 0xffffffff, ($b << $n) & 0xffffffff);
-		}
+
+		return array((($a << $n) | ($b >> (32 - $n))) & 0xffffffff, ($b << $n) & 0xffffffff);
 	}
 
 	private function _shr($x, $n) {
@@ -67,9 +66,8 @@ private function _shr($x, $n) {
 		if($n >= 32) {
 			return array(0x00000000, $a >> ($n - 32));
 		}
-		else {
-			return array(($a >> $n) & 0xffffffff, (($a << (32 - $n)) | ($b >> $n)) & 0xffffffff);
-		}
+
+		return array(($a >> $n) & 0xffffffff, (($a << (32 - $n)) | ($b >> $n)) & 0xffffffff);
 	}
 
 	private function crop($size, $hash, $right = false) {
diff --git a/md6.py b/md6.py
index 9c2a944..09b33b9 100644
--- a/md6.py
+++ b/md6.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 #
-# md6hash for Python 2, 3
+# md6-256 hash algoritm for Python 2, 3
 #
 # Usage:
 #     md6 = md6hash()
diff --git a/test/test.php b/test/test.php
index 631dc4d..1218dfc 100644
--- a/test/test.php
+++ b/test/test.php
@@ -1,6 +1,6 @@
 <?php
 
-require("../md6.php");
+require "../md6.php";
 
 $md6 = new md6hash();
 $result = file("result.csv");