Update src/frontend/src/content/docs/index.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: BethMassi

src/frontend/src/content/docs/index.mdx

@@ -215,6 +215,6 @@ Get started with Aspire by installing the CLI, then dive into the Docs to learn
     icon="open-book"
     href="/get-started/faq/"
     title="FAQ"
-    description="Find answers to frequently asked questions"
+    description="Find answers to frequently asked questions."
   />
 </CardGrid>