diff --git a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_28.rst b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_28.rst
index b68d79635..fe7a90c02 100644
--- a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_28.rst
+++ b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_28.rst
@@ -37,6 +37,7 @@ Deprecated APIs
 Removed APIs
 ^^^^^^^^^^^^
 
+* ``\OC_App::isEnabled``: inject ``\OCP\App\IAppManager`` and call ``\OCP\App\IAppManager::isEnabledForUser``.
 * ``\OC_Defaults::getLogoClaim``: There is no replacement.
 
 Back-end changes