diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 693da89c7..89c6de99d 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -15,6 +15,8 @@ The following tip changes can be tested by building VictoriaMetrics components f
 
 ## v1.79.x long-time support release (LTS)
 
+* BUGFIX: fix a bug, which could lead to incomplete or empty results for heavy queries selecting tens of thousands of time series. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3946).
+
 ## [v1.79.10](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.79.10)
 
 Released at 2023-02-27