If you decide you will amend the MFS return to a joint return:
https://ttlc.intuit.com/questions/1899507-how-do-i-amend-a-separate-return-to-married-filing-jointly
If you decide to change your own rejected return to a separate return---go to My Info and change your answer ---when it asks if you were married you say yes---when it asks if you want to file together with your spouse say NO
You will have to go through the screens and remove any of his income etc that you entered when you thought you were filing jointly
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
