How to edit a mileage entry
Under the Business tab, select Mileage.
Review the entries on the mileage list. For the mileage entry you want to edit, click the three-dot menu and select Edit.

On the Edit Trip screen, select the information you want to edit.
Date
Distance
Round Trip (On or off)
Trip Type
Business
Client
Billable
Purpose
Starting Point
Ending Point
Notes
After you have made your changes, select Save.