Difference in spelling names for applicant and sponsor

Hi, My parents have B2 visa interview slot mid march. I am sponsoring for their visit. The last name in their passport and my passport is different ( there is a spelling mistake for my father’s last name and for my mother’s a middle name is missing ). Would it be a reason for rejecting visa. And also are there any other documents that I can provide to support this situation. Please help me.

Thank you

This should not be a big deal. Have them carry other supporting documents like your birth certificate and some childhood and adult pictures with your parents.