diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 7cea5a488f..6ddc5a6829 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -57,6 +57,7 @@ The sandbox cluster installation is running under the constant load generated by
 * FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): reduce vertical space usage, so more information is visible on the screen without scrolling.
 * FEATURE: [vmalert-tool](https://docs.victoriametrics.com/#vmalert-tool): add `unittest` command to run unittest for alerting and recording rules. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4789) for details.
 * FEATURE: dashboards/vmalert: add new panel `Missed evaluations` for indicating alerting groups that miss their evaluations.
+* FEATURE: metric `vm_http_request_errors_total` was updated with labels `reason="wrong basic auth creds"` and `reason="wrong auth key"` to help identify auth errors. Thanks to @venkatbvc for the [pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5166).
 
 * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): strip sensitive information such as auth headers or passwords from datasource, remote-read, remote-write or notifier URLs in log messages or UI. This behavior is by default and is controlled via `-datasource.showURL`, `-remoteRead.showURL`, `remoteWrite.showURL` or `-notifier.showURL` cmd-line flags. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5044).
 * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): fix vmalert web UI when running on 32-bit architectures machine.