Fix code.

Author: taylorotwell

elixir.md

@@ -195,15 +195,15 @@ Behind the scenes, the `elixir()` function will determine the name of the hashed
 
 #### Copy a File to a New Location
 
-```js
+```javascript
 elixir(function(mix) {
     mix.copy('vendor/foo/bar.css', 'public/css/bar.css');
 });
 ```
 
 #### Copy an Entire Directory to a New Location
 
-```js
+```javascript
 elixir(function(mix) {
     mix.copy('vendor/package/views', 'resources/views');
 });