I accidentally entered the wrong start date for my business and need to correct it. Where do I go to do that?

Assuming you are referring to a Schedule C,  please follow these steps in TurboTax Online to get back to that section: 
 

1. Sign in to TurboTax and open or continue your return
2. Under the Wages and Income section, scroll down and click on Self-Employment Schedule C: 1099-NEC, 1099-K, expenses
3. Click Add/Edit and walk through the interview questions
4. Click the edit pencil next to your line of work
5. Scroll down to Business Summary and click the edit pencil next to Your [type of business] Info
6. From here you can enter the information you entered for your business

For more information, please check out these TurboTax Help Articles: 

Where do I enter Schedule C?

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