You can edit a report group, if required. Click on Reports link available in the left sidebar. The sub-links appear as below.
Click on Report Groups link. The list of all report groups appears.
Locate the target report group.
In Action column, click on Edit button. The report group details are available in the editable form, as below.
You can change the name and its description, as required.
Click on Save button to save the changes. Click on Cancel button to discard the changes.