To Edit an event in the Calendar:
Edit Event
log in
Click the event in the calendar you wish to edit
Click "Edit" Button - Event will open
Make your changes
Click Update to save
Click "Return" to return to calendar view
Edit Event Series (Recurring Event)
log in
Click the event in the calendar you wish to edit
Click "Edit Series" Button - Event will open
Make your changes
Click Update to save
Click "Return" to return to calendar view