Do not make any changes to your e-filed return, it will not go through.  The IRS is not accepting returns until Feb. 12th, you will have to wait until then to see if your return is accepted or rejected.

If rejected, you can enter or change your information, then re-e-file.

If accepted, you would have to amend your return to make changes or add information.

Also, the Federal amended return (1040X), will not be available until around Feb. 28th (subject to change).