Did you enter the wrong AGI for e-filing and need to fix it to re-file?
If you used the wrong AGI, your e-file be rejected. When you get the rejection notice, correct it and re-file.
https://ttlc.intuit.com/community/agi/help/where-do-i-correct-my-agi-in-turbotax-online/00/26311
https://ttlc.intuit.com/community/agi/help/how-do-i-find-last-year-s-agi/01/25947
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/00/270...
Your 2018 tax return shows your 2018 Adjusted Gross Income (AGI) If you filed a joint return then the AGI is the same for each of you.
Form 1040 line 7
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