What type of disability income does your husband have?
If it is disability income from the VA, then you don't need to enter it. See the answer below.
https://ttlc.intuit.com/replies/3301926
If you received a form SSA-1099 or 1099-R reporting your husband's disability income, then you should enter it in your tax return. TurboTax understands that certain types of disability income are not taxable.