diff --git a/src/Symfony/Component/HttpFoundation/Response.php b/src/Symfony/Component/HttpFoundation/Response.php
index 7b68c3861f..1bf6ccd87e 100644
--- a/src/Symfony/Component/HttpFoundation/Response.php
+++ b/src/Symfony/Component/HttpFoundation/Response.php
@@ -505,7 +505,7 @@ class Response
     }
 
     /**
-     * Sets the number of seconds after the time specified in the response's Date
+     * Returns the number of seconds after the time specified in the response's Date
      * header when the the response should no longer be considered fresh.
      *
      * First, it checks for a s-maxage directive, then a max-age directive, and then it falls