Yes, you can enter forms mode to make a manual adjustment. However this could have an effect on the 100% accuracy guarantee by TurboTax.
Here is how to use Forms Mode:
How do I view and delete forms in TurboTax Online?
- Open or continue your return in TurboTax.
- In the left menu, select Tax Tools and then Tools.
- In the pop-up window Tool Center, choose Delete a form.
- Select Delete next to the form/schedule/worksheet in the list and follow the instructions.
Here is a TurboTax article about charitable donations.
