How do I amend? I filed a basic 1040 with standard deductions. I have received a 1099-Q and need to add this income. There is not an option for this using Amend feature.

How do I amend? I filed a basic 1040 with standard deductions. I have received a 1099-Q and need to add this income. There is not an option for this using Amend feature.

I think it is because I did not file form with deductions.  But that does not explain how to amend.