How do I amend my current federal return to adjust for a stimulus payment received after e-filing? Turbo Tax shows the credit on my 1040, but not in my details

I tried amending my return through Turbo Tax, but it doesn't list the recovery rebate credit as an option to adjust anywhere.  If I ignore that and go through the recovery process it tells me it adjusted the credits from not including it the first time (on the 1040 I download from Turbo Tax) to including the incorrect amount that is on my originally filed 1040