Refund Mysteriously Doubled from $7,025 to $14,050 on Transcript - Single Filer with 2 Dependents Worried About IRS Error

I filed with 2 dependents and TurboTax showed my refund would be $7,025. Just checked my transcripts and the amount changed to $14,050?? Getting really worried I messed something up on my return. Has anyone dealt with this kind of drastic change before? When I submitted my taxes on 01/20/25, my TurboTax summary page clearly showed: Congrats! Taxes done $14,050 Submitted Pending IRS Refund 01/20/25 01/20/25 est. - 1-1 - FEDERAL PENDING $7,025 01/20/2025 But now the expected refund has doubled from $7,025 to $14,050. I triple-checked my dependents information - I definitely only claimed 2 dependents. I'm worried that either TurboTax had a glitch when submitting or I somehow claimed a credit I shouldn't have. The status still shows as "PENDING" so the IRS hasn't processed it yet, but I'm concerned there's going to be a problem when they do. Has the IRS ever just doubled someone's refund amount like this? Should I be preparing to have to pay back this money if it's an error?