diff --git a/developer_manual/client_apis/activity-api.rst b/developer_manual/client_apis/activity-api.rst
index 7f769a2df..9d1c4f5d9 100644
--- a/developer_manual/client_apis/activity-api.rst
+++ b/developer_manual/client_apis/activity-api.rst
@@ -1 +1,5 @@
-Find the documentation in the Activities repo here: `https://github.com/nextcloud/activity/blob/master/docs/endpoint-v2.md`
+============
+Activity API
+============
+
+Find the documentation in the `Activity app repo <https://github.com/nextcloud/activity/blob/master/docs/endpoint-v2.md>`__.