Fix changelog

Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>

CHANGELOG.md

@@ -18,7 +18,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#5440](https://github.com/thanos-io/thanos/pull/5440) HTTP metrics: export number of in-flight HTTP requests.
 - [#5424](https://github.com/thanos-io/thanos/pull/5424) Receive: Export metrics regarding size of remote write requests.
 - [#5420](https://github.com/thanos-io/thanos/pull/5420) Receive: Automatically remove stale tenants.
-- [#5402](https://github.com/thanos-io/thanos/pull/5402) Receive: Implement exposing TSDB stats for all tenants 
+- [#5470](https://github.com/thanos-io/thanos/pull/5470) Receive: Implement exposing TSDB stats for all tenants
 
 ### Changed