Hi there haileyinc,
It's important that all your information be entered correctly so that all your transactions can accurately be reflected in your books. QuickBooks Desktop is a robust tool able to help you keep track of transactions so you can see the financials of your business. I can point you in the right direction for assistance in changing the industry in your QuickBooks Desktop product.
For help with editing the industry shown for your company in QuickBooks Desktop, you'd need to reach out to the QuickBooks Desktop support team outside of the Community. They'll be able to view your account settings with you in order to view the reason you can't update your company information, as well as help you get it to reflect the correct information. You can reach them using the options provided in the QuickBooks Desktop software support policies.
If you have any other questions, feel free to reach out here.