See this TurboTax support FAQ for how to update your TurboTax account - https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-status/update-turbotax-account-information/L0YoC0H31_US_en_US?uid=m9k0yv5y
In TurboTax Online, select Tax Home in the upper left hand corner of the screen.
Then click Your account at the bottom of the screen.