diff --git a/CHANGELOG.md b/CHANGELOG.md
index c158d9bb70..cd1028cba6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,10 +6,18 @@ The following sections list the changes for unreleased.
 
 ## Summary
 
+* Enhancement - Fix the username validation: [#6437](https://github.com/owncloud/ocis/pull/6437)
 * Enhancement - Update go-micro kubernetes registry: [#6457](https://github.com/owncloud/ocis/pull/6457)
 
 ## Details
 
+* Enhancement - Fix the username validation: [#6437](https://github.com/owncloud/ocis/pull/6437)
+
+   Fix the username validation when an admin update the user
+
+   https://github.com/owncloud/ocis/issues/6436
+   https://github.com/owncloud/ocis/pull/6437
+
 * Enhancement - Update go-micro kubernetes registry: [#6457](https://github.com/owncloud/ocis/pull/6457)
 
    https://github.com/owncloud/ocis/pull/6457