What's the rest of the story? Where are you seeing that? Did you see the word "adjusted", "adjusting", "adjustment" somewhere? What is the context in which you are asking about an adjustment?
If the IRS used the term adjusted, it normally means they made a change in your account in any direction; i.e., it could result in a balance due, a tax refund, or no change in tax status.
But so far we don't really know the context of what you are asking, so I'm having to guess a bit.