Since you have already submitted your return you will need to wait for your tax return to be processed. Once it has been processed you will need to file an amended return. You can do so by following the steps listed here - https://turbotax.intuit.com/tax-tips/amend-return/how-to-file-an-amended-return-with-the-irs/L6kO691...
Have you already submitted your return?
Yes