After you file


@Laurynjensen wrote:

yes, when I checked it said I would be sent less but did not indicate why. And then when I looked this morning on my bank account it was even less than what the IRS had said it would be. 


You will need to wait for the IRS to send you a letter which will have the changes the IRS made to the return which changed the refund. If you disagree with the IRS there will be a procedure in the letter to dispute the IRS changes.