Update index.mdx

Author: rathanachris

src/content/docs/dns/cname-flattening/index.mdx

@@ -8,7 +8,7 @@ sidebar:
 
 import { Render, GlossaryTooltip } from "~/components";
 
-CNAME flattening speeds up CNAME resolution and allows you to use a CNAME record at your <GlossaryTooltip term="zone apex" link="/dns/concepts/#zone-apex">zone apex</GlossaryTooltip> (`example.com`).
+CNAME flattening speeds up CNAME resolution and allows you to use a CNAME record at your <GlossaryTooltip term="zone apex" link="/dns/concepts/#zone-apex">zone apex</GlossaryTooltip> (`www.dns.chrisshop.com`).
 
 :::note
 This functionality is also what allows you to use a [root custom domain](/pages/configuration/custom-domains/) with a Cloudflare Pages site.