diff --git a/user_manual/groupware/calendar.rst b/user_manual/groupware/calendar.rst
index 1e5faff6df6..5c9782809db 100644
--- a/user_manual/groupware/calendar.rst
+++ b/user_manual/groupware/calendar.rst
@@ -217,6 +217,14 @@ Similar to attendees you can add rooms and resources to your events. The system
 
 .. note:: Rooms and resources are not managed by Nextcloud itself and the Calendar app will not allow you to add or change a resource. Your Administrator has to install and possibly configure resource back ends before you can use them as a user.
 
+Room availability
+~~~~~~~~~~~~~~~~~
+.. versionadded:: 4.8
+
+If the "Calendar Rooms and Resources" app is installed on your instance, you can now find ``Room availability``  the ``Resources`` section. It lists all the existing rooms. You can check the availability of each room in a manner similar to checking the free/busy status of event attendees.
+
+.. figure:: images/room_availability.png
+
 Add attachments to events
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 You can import attachments to your events either by uploading them or adding them from files
diff --git a/user_manual/groupware/images/room_availability.png b/user_manual/groupware/images/room_availability.png
new file mode 100644
index 00000000000..0cb8415189e
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