Update framework.rst

AntoineRoue · wouterj · commit 90e6580276ba · 2021-04-07T17:53:30.000+02:00
This value was not changed with symfony/symfony#30390
diff --git a/reference/configuration/framework.rst b/reference/configuration/framework.rst
@@ -1221,7 +1221,7 @@ The value can be one of:
 ``true``
     Throw an exception when the requirements are not met;
 ``false``
-    Disable exceptions when the requirements are not met and return ``null``
+    Disable exceptions when the requirements are not met and return ``''``
     instead;
 ``null``
     Disable checking the requirements (thus, match the route even when the
