To edit or manage a group, you must be the group’s owner or an admin.
Find the blue sidebar on the left side of the page and click on the name of the group you wish to edit.
Click on the ‘Manage Group’ button.
A pop up box will appear and from here you can make changes to the group name, description, notifications or access permissions for group members.
Once you have completed all necessary changes and configurations, click the 'Save' button to finalise the modification of your group.