diff --git a/src/Symfony/Component/Security/CHANGELOG.md b/src/Symfony/Component/Security/CHANGELOG.md
index 6394ff81ee..2389ac3f50 100644
--- a/src/Symfony/Component/Security/CHANGELOG.md
+++ b/src/Symfony/Component/Security/CHANGELOG.md
@@ -4,6 +4,7 @@ CHANGELOG
 2.1.0
 -----
 
+ * [BC BREAK] The signature of ExceptionListener has changed
  * changed the HttpUtils constructor signature to take a UrlGenerator and a UrlMatcher instead of a Router
  * EncoderFactoryInterface::getEncoder() can now also take a class name as an argument
  * allow switching to the user that is already impersonated