User Groups can be edited by following the below steps:
Go to 'Admin' > 'Practice' > 'User Groups'. See below:
To edit a User Group, select the group from the table located to the lefthand side of this section. See below for an example:
The option to edit the group will be available on the right-hand side of this section. Admin users will have the ability to add new users to this group or remove old users.
Select 'Save' once you have updated the user group.