1. Click Planning>Weekly Planner from the menu bar at the top of the page.
  2. Click on the event you wish to edit, which opens the Edit Event pop-up.
  3. To change details for just the Event (Wed 17th August) change the detail on the left side of the popup.
  4. To change details for the Series (Mon 25 July to Fri 23rd September) change the detail on the right side of the popup.
  5. Select Update to save your changes.