diff --git a/src/Symfony/Component/HttpFoundation/Session/Session.php b/src/Symfony/Component/HttpFoundation/Session/Session.php
index cdd97375b9054..83b6a47ada18b 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Session.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Session.php
@@ -238,9 +238,7 @@ public function getBag($name)
     }
 
     /**
-     * Gets the flashbag interface.
-     *
-     * @return FlashBagInterface
+     * {@inheritdoc}
      */
     public function getFlashBag()
     {
diff --git a/src/Symfony/Component/HttpFoundation/Session/SessionInterface.php b/src/Symfony/Component/HttpFoundation/Session/SessionInterface.php
index d3fcd2eec4e73..de0723e35de0c 100644
--- a/src/Symfony/Component/HttpFoundation/Session/SessionInterface.php
+++ b/src/Symfony/Component/HttpFoundation/Session/SessionInterface.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\HttpFoundation\Session;
 
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
 use Symfony\Component\HttpFoundation\Session\Storage\MetadataBag;
 
 /**
@@ -179,4 +180,11 @@ public function getBag($name);
      * @return MetadataBag
      */
     public function getMetadataBag();
+
+    /**
+     * Gets the flashbag interface.
+     *
+     * @return FlashBagInterface
+     */
+    public function getFlashBag();
 }