Form 1116

I just reviewed Form 1116 in "the Tax Forms" view. 

In Box 1, there is a "negative income" shown. 

I remember entering some "positive income" related to the foreign tax that I had paid (through my Brokerage Firm, i.e., on a 1099). So:

- where can I see the income that I entered?  I went to Foreign Tax, and can only see the tax, but not the related income

- why is the income shown as negative on Form 1116? 

Thank you.  Patrick.