Docs: Fix heading (#7873)

### Description

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### Testing Instructions

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docs/pages/repo/docs/handbook/tools/prisma.mdx

@@ -207,6 +207,6 @@ However, Prisma behaves differently with different package managers. This can le
 
 You may wish to experiment with this yourself. If you find a solution that you feel works, feel free to [add an issue](https://github.com/vercel/turbo/issues/new/choose) and we can update this section.
 
-8. Going to production
+### 8. Going to production
 
 Now that you've made it this far, you're ready to deploy your application. Depending on where your database lives, you'll want to design your deployment pipeline according to the documentation for your database's setup. There are many factors to take into consideration from this point on, so we can't provide a one-size-fits-all solution. You likely want to visit the documentation for your database and its deployment platform to learn more.