Receipt later had a $100 "clean fee - interior ACCEPTED" after renting a car for two weeks. what? I called customer service and they quickly removed it, b

Receipt later had a $100 "clean fee - interior ACCEPTED" after renting a car for two weeks. what? I called customer service and they quickly removed it, but it left a bad taste in my mouth. To be clear, there was rain so maybe a smudge of dirt near pedals, but car was kept clean throughout.