Click on Add a State to let you back into your return. Then you need to edit the W2 or 1099R that has the wrong withholding.
Federal on left
Wages & Income you should see your W2 listed at the top
Or scroll down to Wages and Salaries- Click the Start or Revisit button
You should get a box listing all your W2s.
Then click Edit by your W2 to double check it or change it
