fix(Groupware/Calendar): update calendar importing section

Signed-off-by: Grigory Vodyanov <scratchx@gmx.com>

user_manual/groupware/calendar.rst

@@ -43,12 +43,12 @@ Import a Calendar
 If you want to transfer your calendar and their respective events to your Nextcloud
 instance, importing is the best way to do so.
 
-.. figure:: images/calendar_settings_sidebar.png
-            :scale: 80%
+.. figure:: images/calendar_importing.png
+            :scale: 50%
 
 1. Click on the settings-icon labeled with ``Calendar settings`` at the bottom-left.
 
-2. After clicking on ``Import Calendar`` you can select one or more calendar files
+2. After clicking on ``Import Calendar``, found in the ``General`` section, you can select one or more calendar files
    from your local device to upload.
 
 3. Select a ``Calendar to import into``.
@@ -551,4 +551,4 @@ Participants can respond to a proposed meeting by clicking on the link in the no
 
 .. figure:: images/calendar_proposal_respond.png
 
-Participants can select their availability for each proposed time by selecting their preference on the corresponding line in the times and participants matrix. They can choose from three options: "Yes", "No", or "Maybe". Once they have made their selections, they can click the "Submit" button to save their responses.
+Participants can select their availability for each proposed time by selecting their preference on the corresponding line in the times and participants matrix. They can choose from three options: "Yes", "No", or "Maybe". Once they have made their selections, they can click the "Submit" button to save their responses.