diff --git a/CHANGELOG-2.1.md b/CHANGELOG-2.1.md
index 5f18c0e076..aa46f0c507 100644
--- a/CHANGELOG-2.1.md
+++ b/CHANGELOG-2.1.md
@@ -375,6 +375,8 @@ To get the diff between two versions, go to https://github.com/symfony/symfony/c
  * after login, the user is now redirected to `default_target_path` if `use_referer` is true and the referrer is the `login_path`.
  * added a way to remove a token from a session
  * [BC BREAK] changed `MutableAclInterface::setParentAcl` to accept `null`, review your implementation to reflect this change.
+ * `ObjectIdentity::fromDomainObject`, `UserSecurityIdentity::fromAccount` and `UserSecurityIdentity::fromToken` now return
+   correct identities for proxies objects (e.g. Doctrine proxies)
 
 ### Serializer