Add fix to syntax highlights.

README.md

@@ -150,13 +150,17 @@ To track the status of a job, pass `true` as the fourth argument to
 `Resque::enqueue`. A token used for tracking the job status will be
 returned:
 
+```php
 	$token = Resque::enqueue('default', 'My_Job', $args, true);
 	echo $token;
+```
 
 To fetch the status of a job:
 
+```php
 	$status = new Resque_Job_Status($token);
 	echo $status->get(); // Outputs the status
+```
 
 Job statuses are defined as constants in the `Resque_Job_Status` class.
 Valid statuses include: