fix(docs): homepage icon

Author: chenxin-yan

apps/docs/src/content/docs/index.mdx

@@ -29,7 +29,7 @@ AlbertPlus is a powerful, open-source platform designed to enhance the course re
 	<Card title="For Contributors" icon="pencil">
 		Dive into our comprehensive technical documentation to understand the project's architecture, development workflow, and how you can contribute.
 	</Card>
-	<Card title="For the Community" icon="community">
+	<Card title="For the Community" icon="comment">
 		AlbertPlus is a testament to the collaborative spirit of the NYU tech community. Join us in building the future of course registration.
 	</Card>
 </CardGrid>