I have chosen to mail in my tax returns - paid and printed them. But noticed that there is a mistake on my state one. Is there a way to amend since I didn't eFile?

[DoninGA]

Sign onto your TurboTax online account - https://myturbotax.intuit.com/

Scroll down and click on Add a State.  This will take you back to the 2019 online tax return where you can make your changes.