diff --git a/UPDATE.md b/UPDATE.md
index 18a9073532..271a98ca66 100644
--- a/UPDATE.md
+++ b/UPDATE.md
@@ -6,6 +6,11 @@ one. It only discusses changes that need to be done when using the "public"
 API of the framework. If you "hack" the core, you should probably follow the
 timeline closely anyway.
 
+beta4 to beta5
+--------------
+
+* `Response::isRedirected()` has been merged with `Response::isRedirect()`
+
 beta3 to beta4
 --------------