If your original return has been filed & accepted, you would need to amend your return to enter your 1099-INT form.  If you original return has not been filed or it has been rejected you can just go back to enter your information

Where do I enter Form 1099-INT

https://ttlc.intuit.com/community/entering-importing/help/where-do-i-enter-form-1099-int/00/25757

How to amend (change or correct) a return you already filed

https://ttlc.intuit.com/community/amending/help/how-to-amend-change-or-correct-a-return-you-already-...