That is correct. This page of the IRS website will tell you where to mail your amended return: [https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment](https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment)

So just print, fill out, and mail to wherever the IRS website says?

You can file a tax return amendment (Form 1040X) and explain that you cannot be claimed in Part 3. Amendment has to be filed by paper mail.

Does anyone have info on whether this can be adjusted? I'm pretty sure this is the reason I have not gotten a check yet.

Accidentally checked "can be claimed as dependent" on tax return, but not actually a dependent