If you need to amend your return, you would need to wait until it's either been accepted or rejected. If it's rejected, you can simply go in and fix the error and re-submit your return. If it's accepted, you would want to wait until you receive your refund and then use the link provided below to make sure you really need to amend:
Do I need to amend
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"