As long as you have not yet filed your tax return you can go back and review your dependents and any other information entered by following the steps below:

• Sign into your Online account and select Take me to my return.
• Next select My Info in the left side bar
  
• On the Personal Info Summary screen, scroll down to the middle of the page and you will find the dependents entered. 
• You can then click continue at the bottom right of the screen to review the tax interview entries.