diff --git a/docs/simplesamlphp-changelog.md b/docs/simplesamlphp-changelog.md
index f545919d9dce4412e7dbaaa68ae8a4fe246e1ebc..707d1fb397a08bf3f4529d1fc8b77ddc1d566f97 100644
--- a/docs/simplesamlphp-changelog.md
+++ b/docs/simplesamlphp-changelog.md
@@ -36,6 +36,7 @@ Released TBD
   * Fix edge case in getServerPort.
   * Add basic documentation on Nginx configuration.
   * Test authentication: optionally show AuthData array.
+  * Improve performance of PDO Metadata Storage handler entity lookup.
 
 ### adfs
   * Make signature algorithm configurable with `signature.algorithm`.