Update src/content/docs/workers/tutorials/build-a-content-version-system/index.mdx

Author: db-cloudflare

src/content/docs/workers/tutorials/build-a-content-version-system/index.mdx

@@ -295,7 +295,7 @@ Cloudflare Workers will route incoming requests to the Durable Objects instance.
 
 To handle incoming requests, add the following code to `src/index.ts`:
 
-### Initial Setup and HTML Template
+### Initial setup and HTML template
 ```
 import { ContentDO } from './contentDO';