I mistakenly posted mortgage interest amount in property tax block and am unable to change it?

To change the amounts, try this:

Here's how to enter/update the Your Home section in TurboTax, which includes the Property Taxes and Mortgage interest section:

1. Open your return. Choose to Pick up where I left off (if it comes up)
   (To do this in the mobile app and select the blue Take me to my return button.)
2. Select the menu icon (3 lines) at the top, select Federal Taxes, and then Deductions & Credits.
3. Select Your Home, and select "Show Full List"
   
4. You should now see the section you need and you can click "update or start"
   
5. Follow the onscreen instructions