diff --git a/UPDATE.md b/UPDATE.md
index 407bc43aa1..7ab2c0c36c 100644
--- a/UPDATE.md
+++ b/UPDATE.md
@@ -9,6 +9,9 @@ timeline closely anyway.
 RC4 to RC5
 ----------
 
+* The `exception_controller` setting has been moved from the `framework`
+  section to the `twig` one.
+
 * `EntityUserProvider` class has been moved and FQCN changed from
   `Symfony\Component\Security\Core\User\EntityUserProvider` to
   `Symfony\Bridge\Doctrine\Security\User\EntityUserProvider`.