From inventory group can be edit and modifier available in group also can edit other detail of QSR group.
For edit Group go to below procedure.

1. Open inventory management.
2. Go to QSR group tab.
3. There should be list of available qsr group.
4. Open any group in edit mode for that click on that group name from list it will be open.
5. All detail of that group will display.
   
   
6. Change detail.
7. Click on save.
8. Edited detail will save and group will edit.