Where is the edit button to change the recipient's address?

Are you referring to updating your state on a form such as a 1099-R, 1099-INT, 1099-NEC or other form you've received?  If so, which form?  If not, what are you trying to update?

If you're referring to updating your personal residence address that'll be included on your return, then, in TurboTax Online,

1. Click My Info in the left panel.
2. Toward the bottom of the Personal info summary screen, click Edit next to Mailing address.
3. Update your address information.