diff --git a/developer_manual/app/upgrade-guide.rst b/developer_manual/app/upgrade-guide.rst
index ccb3001fd..a62d532ea 100644
--- a/developer_manual/app/upgrade-guide.rst
+++ b/developer_manual/app/upgrade-guide.rst
@@ -60,7 +60,7 @@ New APIs
 Changed APIs
 ************
 
-* ``\OCP\User\Events\BeforeUserLoggedInEvent::getUsername`` now correctly returns a string and not an `\OCP\IUser`
+* ``\OCP\User\Events\BeforeUserLoggedInEvent::getUsername`` now correctly returns a string and not an ``\OCP\IUser``
 
 
 Upgrading to Nextcloud 18