Try this!

1. Tap the Group Details Icon (second from the left at the bottom of the screen) and then tap ‘Details’. From here you’ll see three headings: Previous, Next Gathering and Upcoming. Tap on ‘Next Gathering’ to see completed weeks. 

2. Tap the 'Change' button. Here you can adjust the next gathering and details of time, day, how often, where, online url or physical address. Scroll to the bottom and add any 'Gathering Notes'. 

You may need to log out and back in to see the change: Tap the Profile Icon on the bottom right of your screen, then ‘Settings’. Then tap the icon on the top right and select ‘Log Out’.  Sign back in and make sure you select the right Group. 

Further questions? Raise a ticket here to contact a WordGo customer support agent.

Here's a quick video walking you through how to do this: