how do I revise my dependents tax credit section

He should file his own return and indicate that someone else can claim him as a dependent.

Then you will file a return claiming him as your dependent.

 

Log into TurboTax

1. On the main menu select My Info
2. Click on your name
3. You will see your information
   1. Click Edit
4. Continue the interview until you get to
   1. About your household
   2. Do you have any dependents?
      1. Select yes.
   3. How many dependents do you have? 
      1. Enter the total number
5. Your personal page will come up, and it will have an option to list dependents.

How do I add or remove a dependent?