Update docs/platforms/javascript/guides/tanstackstart-react/index.mdx

Co-authored-by: Sarah Mischinger <[email protected]>

Author: nicohrubec

docs/platforms/javascript/guides/tanstackstart-react/index.mdx

@@ -226,7 +226,7 @@ const route = createRoute({
 })
 ```
 
-## Step 4: Add Readable Stack Traces to Errors (Optional)
+## Step 4: Add Readable Stack Traces With Source Maps (Optional)
 
 The stack traces in your Sentry errors probably won't look like your actual code. To fix this, upload your source maps to Sentry.