I don't think you have anything to worry about.
My daughter still goes on about my husband punching her in the face. I was present and he did not do any such thing. She actually hit him in the back when he turned around and when he turned back to her she took off and ran into the door jam in her haste to get away. This was a few years ago now but she still insists DH punched her despite the fact the incident was witness by DH, our 7yr old and myself.