Add missing PHPDoc

src/Symfony/Bundle/FrameworkBundle/Controller/Controller.php

@@ -105,6 +105,9 @@ class Controller extends ContainerAware
      *
      *     throw $this->createNotFoundException('Page not found!');
      *
+     * @param string    $message  A message
+     * @param Exception $previous The previous exception
+     *
      * @return NotFoundHttpException
      */
     public function createNotFoundException($message = 'Not Found', \Exception $previous = null)