Bad doc link : correction of the link to the documentation

src/Silex/ServiceControllerResolver.php

@@ -18,7 +18,7 @@ use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
 /**
  * Enables name_of_service:method_name syntax for declaring controllers.
  *
- * @link http://silex.sensiolabs.org/doc/cookbook/controllers_as_services.html
+ * @link http://silex.sensiolabs.org/doc/providers/service_controller.html
  */
 class ServiceControllerResolver implements ControllerResolverInterface
 {