Go back to My Info and edit your name. Then a box pops up asking if you are married. Then pick filing together. Or are you looking for Social Security in the right spot? Do you get SS too? There should be 2 columns, one for you and one for spouse.
Enter a SSA-1099, SSA-1099-SM or RRB-1099 under
Federal Taxes (Personal for Home&Business)
Wages and Income
Then scroll down to Retirement Plans and Social Security
Then the second line - Social Security (SSA-1099. RRB-1099) - click the Start or Revisit button