diff --git a/developer_manual/app/index.rst b/developer_manual/app/index.rst
index bbb877a8b..05246fc47 100644
--- a/developer_manual/app/index.rst
+++ b/developer_manual/app/index.rst
@@ -34,6 +34,7 @@
    hooks
    backgroundjobs
    settings
+   notifications
    logging
    migrations
    repair
@@ -153,6 +154,11 @@ An app can register both admin settings as well as personal settings:
 
 * :doc:`settings`
 
+Notifications
+^^^^^^^^^^^^^
+
+An app can send notifications to display to users. It can also retrieve and act upon notifications that are received by the users. See the  `documentation of the official Notifications app <https://github.com/nextcloud/notifications#developers>`_.
+
 Logging
 ^^^^^^^