Hi

If you try to export a calendar (/calendar/export.php), you can see the option 'Custom range (XX - XX)' in 'Time period' .. but it is not a time that a non-admin user can decide, so I think it is confusing. Maybe it could be only displayed the range.

The information regarding the 'Export' button and the 'Get calendar URL' are at the top of the page, quite far of the buttons, maybe they could could be moved closer

Moreover maybe there could be a page for students that mentioned information regarding exporting the calendar (https://docs.moodle.org/en/Using_Calendar#Calendar_export, and https://docs.moodle.org/en/Using_Calendar#Importing_Moodle_calendar_into_other_calendars)

Thanks for your time!