Update property name

Author: kodster28

src/content/docs/1.1.1.1/faq.mdx

@@ -7,7 +7,7 @@ sidebar:
 slug: 1.1.1.1/faq
 description: Find answers to common questions about Cloudflare's 1.1.1.1 DNS resolver, including setup, privacy features, IPv6 support, and troubleshooting tips.
 hidden: true
-no_index: true
+noindex: true
 ---
 
 import { GlossaryTooltip } from "~/components";