Adapted option name to current UI

Option is named "Enable simplified editor", see screenshot above

Signed-off-by: rakekniven <2069590+rakekniven@users.noreply.github.com>

Author: rakekniven

user_manual/groupware/calendar.rst

@@ -204,8 +204,8 @@ You can include an existing Talk conversation in your event by clicking "Add Tal
 .. figure:: images/add-talk-room.png
 
 .. note:: If you always want to open the advanced editor instead of the
-          simple event editor popup, you can set a ``Skip simple event
-          editor`` checkmark in the ``Settings & Import`` section of the app.
+          simple event editor popup, you can unset checkmark at option
+          ``Enable simplified editor`` in the ``Settings`` section of the app.
 
 Clicking on the blue ``Create`` button will finally create the event.