Incorrectly listed where, in TurboTax or at the financial institution?
If you incorrectly showed traditional IRA contributions on your prior tax returns, you'll need to amend those to make the corrections either to the amount shown as an IRA deduction or the amount shown on Form 8606 as a nondeductible contribution.
And since you were previously confused about the type of account, make sure that you are not confusing contributions to a qualified retirement plan that would be shown in box 12 of your W-2 with regular IRA contributions.
