I haven't filed the amended taxes yet, I needed help knowing if I only need to change that on the amended form so I can send it off. I don't have access to my o...

If I filed in 2017 as Head of household and need to change it to married filed jointly, is the filing status the only thing I need to do on the amended form?

Same thing happened when I just called to see who was the collector and the amount, they told me they had nothing in their records.