Depends. What version of TurboTax you are using? If you are using the TurboTax Online product, after you log into TurboTax and enter your return, in the left margin you will see "My Info". Click there and then edit your wife's Social Security number. If you are using TurboTax Desktop, open your return then go to the Personal Info tab at the top of the page to edit your wife's Social Security number.
Making sure all Social Security numbers are correct will save you time when you file your return to avoid unnecessary rejections that will delay your refund.
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