diff --git a/CHANGELOG-3.5.md b/CHANGELOG-3.5.md
index f3062e0da..6fe21c4bd 100644
--- a/CHANGELOG-3.5.md
+++ b/CHANGELOG-3.5.md
@@ -122,6 +122,7 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
   - See https://github.com/etcd-io/etcd/issues/11918.
 - Improve logging around snapshot send and receive.
 - [Push down RangeOptions.limit argv into index tree to reduce memory overhead](https://github.com/etcd-io/etcd/pull/11990).
+- Add [reason field for /health response](https://github.com/etcd-io/etcd/pull/11983).
 
 ### Package `embed`