My 3 year old started saying “damn it”

When she gets frustrated she’s started saying damn it. My husband says it when he gets very upset and she’s heard it on a few outdoors shows, but I don’t know how to go about helping her to stop. We correct her and I tell her that she can express her frustration in other ways or using other words like “oh boogers”. Before this she was grunting and growling a lot but my husband told her not to do that so I think she’s taken to using words that shes heard instead. I didn’t mind the grunting back when she was doing it but hubby didn’t like it. She’s said it a handful of times and how she’ll say it under her breath. What do I do?