Changing my tax credit amount

Near the end of 2020 I made an extra payment of $1200 via IRS Direct Pay because I thought that I might owe extra tax.

 

The turbo tax is only showing credits issued via 1099s. How do I go about including this extra $1200 in my total credits before filing so that I get it refunded?

 

I went back over it but I can't find a place to include it.

 

I don't want to have to file an amended return in order to get it back.