E-filed

[Sgede]

I just efiled my taxes and i entered the wrong gross earnings for 2018, how can i change that? I dont qant nothing to happen, i made a mistake and looked at the wrong line on my W2

[ee-ea]

Your e-filed return probably will be rejected. See this  https://ttlc.intuit.com/community/agi/help/how-do-i-find-last-year-s-agi/01/25947

[fanfare]

2018? This is 2019 tax year.

If you filed wrong amounts, you'll need to file an amended tax return.
wait to see if  the IRS makes the correction for you.