diff --git a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_30.rst b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_30.rst
index a05036429..8866d5064 100644
--- a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_30.rst
+++ b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_30.rst
@@ -130,6 +130,7 @@ Added APIs
 - ``OCP\AppFramework\Bootstrap\IRegistrationContext::registerTaskProcessingProvider()`` was added to allow registering task processing providers
 - ``OCP\AppFramework\Bootstrap\IRegistrationContext::registerTaskProcessingTaskType()`` was added to allow registering task processing task types
 - ``OCP\Files\IRootFolder::getAppDataDirectoryName()`` was added to allow getting the name of the app data directory
+- ``OCP\Console\ReservedOptions`` was added and contains constants for options reserved for occ core features. ``--debug-log`` and ``--debug-log-level`` are now reserved by occ as they allow to show debug information to the output on any occ command.
 
 Changed APIs
 ^^^^^^^^^^^^