diff --git a/CHANGELOG-2.1.md b/CHANGELOG-2.1.md
index f070a66b96..bd045b8c64 100644
--- a/CHANGELOG-2.1.md
+++ b/CHANGELOG-2.1.md
@@ -241,10 +241,9 @@ To get the diff between two versions, go to https://github.com/symfony/symfony/c
    attributes. `Session->getFlashBag()->all()` clears flashes now.
  * Added `Symfony\Component\HttpFoundation\Session\Storage\AbstractSessionStorage` base class for
    session storage drivers.
- * Added `Symfony\Component\HttpFoundation\Session\Storage\SessionHandlerInterface` interface
-   which storage drivers should implement after inheriting from
+ * Added `SessionHandlerInterface` interface which storage drivers should implement after inheriting from
    `Symfony\Component\HttpFoundation\Session\Storage\AbstractSessionStorage` when writing custom 
-   session save handlers.  This interface is also compatible with PHP 5.4's SessionHandlerInterface.
+   session save handlers using PHP 5.3.  This interface is a stub for the PHP 5.4 interface.
  * [BC BREAK] `SessionStorageInterface` methods removed: `write()`, `read()` and `remove()`.  Added
    `getBag()`, `registerBag()`.
  * Moved attribute storage to `Symfony\Component\HttpFoundation\Attribute\AttributeBagInterface`.
diff --git a/UPGRADE-2.1.md b/UPGRADE-2.1.md
index 85e720c14a..5b16d1f3e3 100644
--- a/UPGRADE-2.1.md
+++ b/UPGRADE-2.1.md
@@ -340,4 +340,4 @@ UPGRADE FROM 2.0 to 2.1
     were removed from `SessionStorageInterface`.
 
     Any session storage driver that wants to use custom save handlers should
-    implement `Symfony\Component\HttpFoundation\Session\Storage\SessionHandlerInterface`.
+    implement `SessionHandlerInterface`.