diff --git a/src/Symfony/Component/Security/Guard/GuardAuthenticatorInterface.php b/src/Symfony/Component/Security/Guard/GuardAuthenticatorInterface.php
index fef4a04fb9..307d70f9e9 100644
--- a/src/Symfony/Component/Security/Guard/GuardAuthenticatorInterface.php
+++ b/src/Symfony/Component/Security/Guard/GuardAuthenticatorInterface.php
@@ -153,6 +153,7 @@ interface GuardAuthenticatorInterface extends AuthenticationEntryPointInterface
      *      done by having a _remember_me checkbox in your form, but
      *      can be configured by the "always_remember_me" and "remember_me_parameter"
      *      parameters under the "remember_me" firewall key
+     *  D) The onAuthenticationSuccess method returns a Response object
      *
      * @return bool
      */