diff --git a/src/Symfony/Component/HttpFoundation/ResponseHeaderBag.php b/src/Symfony/Component/HttpFoundation/ResponseHeaderBag.php
index a042328ca5..c299c36928 100644
--- a/src/Symfony/Component/HttpFoundation/ResponseHeaderBag.php
+++ b/src/Symfony/Component/HttpFoundation/ResponseHeaderBag.php
@@ -160,7 +160,7 @@ class ResponseHeaderBag extends HeaderBag
      *
      * @param string $format
      *
-     * @return array
+     * @return Cookie[]
      *
      * @throws \InvalidArgumentException When the $format is invalid
      */