Update README.md

docs/README.md

@@ -11,10 +11,13 @@ Rough.js borrows some core algorithms from Handy, but it is _not a JS port_ for
 The latest Rough.js release (beta version 0.1): [Download](./rough.zip)
 
 ## How to use Rough.js
+
 ### Setup
+
 Initialize a **RoughCanvas** object by passing in the canvas node and the size of the canvas. 
 Following code snippet draws a 
-```javascript
+
+``` javascript
 var rough = new RoughCanvas(document.getElementById('myCanvas'), 500, 500);
 rough.rectangle(10, 10, 200, 200);
 ```