Yes, you now have to wait to see if your tax return is accepted or rejected. If it's rejected you can modify it and files it efile again, but if it's accepted you'll have to wait till the return is processed, perhaps late in February, and then file an amended tax return (1040-X).
Don't make any changes to the tax return that you already filed.
Answers are correct to the best of my ability but do not constitute legal or tax advice.
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