Ready to file, told to correct 1099-R but not telling me which one. Can I go back to my Federal return and correct this? If wo how?

[missvabc123]

please tell me how to go back to my Federal return?

[JotikaT2]

The input would be under the Federal income section as follows: 

1. Select Income & Expenses 
2. Scroll down to All Income 
3. Select show more to the right of Retirement Plans & Social Security 
4. Select start/revisit to the right of IRA, 401(k), Pension Plan Withdrawals (1099-R)
5. Select Edit to the right of the 1099-R that needs to be corrected