diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 6373cbe806..81c3b0ffd8 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -8,6 +8,8 @@ sort: 15
 
 * FEATURE: vmagent: add `vm_promscrape_max_scrape_size_exceeded_errors_total` metric for counting of the failed scrapes due to the exceeded response size (the response size limit can be configured via `-promscrape.maxScrapeSize` command-line flag). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1639).
 
+* BUGFIX: vmalert: properly reload rule groups if only the `interval` config option is changed. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1641).
+
 
 ## [v1.66.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.66.1)