diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09216670f..932abb146 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -58,6 +58,8 @@ IMPROVEMENTS:
  * identity: Allow a group alias' canonical ID to be modified
  * namespaces: Namespaces can now be created and deleted from performance
    replication secondaries
+ * replication: Client TLS authentication is now supported when enabling or
+   updating a replication secondary
  * secrets/database: Cassandra operations will now cancel on client timeout
    [GH-6954]
  * storage/postgres: LIST now performs better on large datasets [GH-6546]