The only way to change a return is to officially amend it. You would need to amend your 2018 federal and VA returns. I'll share a TurboTax FAQ linked below for amending a prior-year return. The instructions are quite specific, so be sure to follow them carefully.
Additionally, know that amended returns cannot be e-filed. They must be printed and mailed. I also suggest mailing using a method that requires a signature to confirm receipt.
How do I amend my 2018 TurboTax Online return?
*Please click the thumbs-up icon if this response was helpful.
**Please click "Mark As Best Answer" if your question has been resolved. Thank you.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***