The Roth contribution is not reported on your 1040, but you should tell TT about the contribution. It will check to make sure you were eligible and it will keep track for future years to make sure you pay the least tax when you take out of the Roth.
This help page describes how to do it.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/retirement-benefits/enter-traditional-ro...
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