diff --git a/user_manual/groupware/calendar.rst b/user_manual/groupware/calendar.rst
index 27344f107..8c2d5bb0e 100644
--- a/user_manual/groupware/calendar.rst
+++ b/user_manual/groupware/calendar.rst
@@ -235,6 +235,19 @@ The ``Empty trash bin`` buttons will wipe all trash bin contents in one step.
 
 .. _calendar-working-hours:
 
+Responding to invitations
+-------------------------
+
+You can directly respond to invitations inside the app. Click on the event and select your participation status. You can respond to an invitation by accepting, declining or accepting tentatively.
+
+.. figure:: images/calendar_accept_simple_editor.png
+   :scale: 80%
+
+You can respond to an invitation from the sidebar too.
+
+.. figure:: images/calendar_accept_sidebar_editor.png
+   :scale: 80%
+
 Availability (Working Hours)
 ----------------------------
 
diff --git a/user_manual/groupware/images/calendar_accept_sidebar_editor.png b/user_manual/groupware/images/calendar_accept_sidebar_editor.png
new file mode 100644
index 000000000..82b8e879c
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diff --git a/user_manual/groupware/images/calendar_accept_simple_editor.png b/user_manual/groupware/images/calendar_accept_simple_editor.png
new file mode 100644
index 000000000..a5b0e8181
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