You can change your daughter's status to "dependent" under the Personal Info section.
When you file your
amended return, in order to report that you were a dependent, follow these
steps:
1.
Open your TurboTax return.
2.
Select the Personal Info
tab.
3.
Click the Edit icon
beside your daughter's name.
4.
Scroll down the page to item 3.
A few other things we need to know. Check Yes beside someone
else can claim me as a dependent on their tax return. (See the screenshot below.)