diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c2019a2ba2..01bb559d2d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,7 +14,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ### Fixed
 
-[#4471](https://github.com/thanos-io/thanos/pull/4471) **breaking:** Query/Rule/Compact/Store: Serve `/debug/*`, `/-/ready`, `/-/healthy`, and `/metrics` routes under the prefix from `--web.route-prefix`, if set.
+[#4471](https://github.com/thanos-io/thanos/pull/4471) **breaking:** if `--web.route-prefix` or `--web.external-prefix` is set: Serve `/debug/*`, `/-/ready`, `/-/healthy`, and `/metrics` routes under the prefix from `--web.route-prefix`. Previously, these endpoints were served from the root URL.
 
 ### Changed