I expect you're on the page of the interview that's mimicking the "Line 3 Limitation Chart and Worksheet" that's on page 4 of the Instructions for Form 8889, or have not completely filled out that particular page in the interview. It's essentially figuring how much you can contribute to your HSA based on your particular circumstances.
Chart is here <a rel="nofollow" target="_blank" href="
https://www.irs.gov/pub/irs-pdf/i8889.pdf">https://www.irs.gov/pub/irs-pdf/i8889.pdf</a> on page 4
