Delete the Form 1098-T and re-enter.  Click on Tax Tools on the left side of the screen.  Click on Tools.  Click on Delete a form

Here's how to edit the 1098-T in TurboTax:

• From Deductions & Credits
• Expenses and Scholarships (form 1098-T) hit Update
• From the page that says Now Let's Gather The Additional Education Expenses
• Hit Continue. You will need to continue through several screens until you get to the screen that says Your Education Expenses Summary click Edit
• At Here's Your Education Summary you can Edit, Delete or Add New School