If you have not filed, go back through the interview and make sure you answer all the questions. You can add more details here if you need followup advice.
If you already filed, and just noticed you paid tax on a withdrawal that should be non-taxable, you can file an amended return to correct the problem and get a refund.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-federal-tax-return-curr...
