diff --git a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_29.rst b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_29.rst
index c8e08d557f8..fba43d480e9 100644
--- a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_29.rst
+++ b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_29.rst
@@ -57,7 +57,7 @@ Added APIs
 Changed APIs
 ^^^^^^^^^^^^
 
-* tbd
+* ``OCP\IURLGenerator::URL_REGEX_NO_MODIFIERS``: Changed to match localhost and hostnames with ports.
 
 Deprecated APIs
 ^^^^^^^^^^^^^^^