I think I did my taxes wrong because I dont think that is the right amount I am suppose to get back. How do i change something.

[Kat]

Have you already e-filed your return?

[christinryan]

Yes I have but couldn't I amend it if I want to update something or add another form

[Kat]

Christi, once you've submitted your return electronically, you can't make any changes.  

Here's what to watch for now:

Wait to see whether your return is accepted or rejected by the IRS.  If the IRS rejects your return as you filed it, you can make ANY corrections (including adding forms you overlooked) before re-submitting your return.  However, if the IRS accepts your return, you will need to amend the return.  Amending through TurboTax won't be available until mid-February.  Additionally, amended returns can't be e-filed.  They must be printed and mailed.  I'll give you this linked info (below) so that you'll have it in the event you need to amend.  

https://ttlc.intuit.com/replies/5114064