diff --git a/src/Symfony/Component/Security/Core/User/UserProviderInterface.php b/src/Symfony/Component/Security/Core/User/UserProviderInterface.php
index 5867e83333c5c..b975949941603 100644
--- a/src/Symfony/Component/Security/Core/User/UserProviderInterface.php
+++ b/src/Symfony/Component/Security/Core/User/UserProviderInterface.php
@@ -57,7 +57,8 @@ public function loadUserByUsername($username);
      *
      * @return UserInterface
      *
-     * @throws UnsupportedUserException if the user is not supported
+     * @throws UnsupportedUserException  if the user is not supported
+     * @throws UsernameNotFoundException if the user is not found
      */
     public function refreshUser(UserInterface $user);