Enhance PHP snippet.

Author: samaphp

README.md

@@ -4,7 +4,7 @@ LifxLan protocol. (Work in progress)
 Note: This library is not ready for use in production. And does not cover all API capabilities. I just built it for my self to 
 
 **Setting light color by name:**
-```
+```php
 $light_ip = '192.168.1.x';
 $Light = new Light($light_ip);
 $brightness = 40;