it might be easier and cheaper to go back to where you originally prepared it to amend. Amending using Turbotax would require you to purchase a 2023 desktop app. Then everything, item by item, would need to be entered. Save the return and close out of Turbotax. Reopen the return and select the link to amend, it will have to be printed and mailed.
https://turbotax.intuit.com/personal-taxes/past-years-products/
