Make sure you enable 'Show hidden items' in your file explorer.
For Windows Users: Go to %UserProfile%\AppData\Local\KillHouseGames\DoorKickers2 For Mac Users: /Users/YOUR_USER/Library/Application Support/DoorKickers2/roster.xml
How to edit your save
Make sure you open as a TXT file.
Open the Roster.xml folder Then find battlehonors and change the number to any number you want.