You would have to prepare an Amended 1040X return after your original return is fully processed and you get the first refund or pay the tax due. It will be awhile. The IRS is not processing mailed returns right now.
How to amend an Online return
https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-turbotax-online-return/00/27577
