Under "E/R" of row Date "11/16/2015"
Select "Edit"
On your authorization, you estimated that you would drive your personal vehicle 10 miles to get to the airport at the start of your TDY. However, because of a detour route, you ended up driving 15 miles instead. Under "E/R" of row Date, select "Edit" that allows you to update your mileage for that day.