Update forum link.

Author: jamiefolsom

src/content/docs/index.mdx

@@ -19,6 +19,6 @@ import { Card, CardGrid } from '@astrojs/starlight/components';
 		[Access Documentation](https://github.com/recogito/recogito-studio) for self-hosting.
 	</Card>
 	<Card title="Get Help" icon="comment-alt">
-		Join a community of users in the [Recogito Forum](https://community.performantsoftware.com/).
+		Join a community of users in the [Recogito Forum](https://community.performantsoftware.com/c/recogito/5).
 	</Card>
 </CardGrid>