diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96756b93a..f8050de70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,11 +48,22 @@ The following sections list the changes for unreleased.
 
 ## Summary
 
+* Enhancement - Log user agent and remote addr on auth errors: [#9475](https://github.com/owncloud/ocis/pull/9475)
 * Enhancement - Add missing WOPI features: [#9580](https://github.com/owncloud/ocis/pull/9580)
 * Enhancement - Update web to v9.1.0-alpha.1: [#9585](https://github.com/owncloud/ocis/pull/9585)
 
 ## Details
 
+* Enhancement - Log user agent and remote addr on auth errors: [#9475](https://github.com/owncloud/ocis/pull/9475)
+
+   The proxy will now log `user_agent`, `client.address`, `network.peer.address`
+   and `network.peer.port` to help operations debug authentication errors. The
+   latter three follow the [Semantic Conventions 1.26.0 / General /
+   Attributes](https://opentelemetry.io/docs/specs/semconv/general/attributes/)
+   naming to better integrate with log aggregation tools.
+
+   https://github.com/owncloud/ocis/pull/9475
+
 * Enhancement - Add missing WOPI features: [#9580](https://github.com/owncloud/ocis/pull/9580)
 
    We added the feature to disable the chat for onlyoffice and added the missing