syntax highlighting for readme file

README.md

@@ -1,5 +1,4 @@
 
-
 chardet [![Build Status](https://travis-ci.org/runk/node-chardet.png)](https://travis-ci.org/runk/node-chardet)
 =====
 
@@ -9,16 +8,20 @@ occurency analysis to determine the most probable encoding.
 
 ## Installation
 
-    npm install chardet
+```
+npm i chardet
+```
 
 ## Usage
 
+```javascript
 var chardet = require('chardet');
 chardet.detect(new Buffer('hello there!'));
 // or
 chardet.detectFile('/path/to/file', function(err, encoding) {});
 // or
 chardet.detectFileSync('/path/to/file');
+```
 
 ## Supported Encodings: