[DNS] Fix broken note in advanced-nameservers (cloudflare#24955)

* Fix broken note syntax

* Remove extra line breaks

* Explicit line break after <Render/> for clarity

Author: RebeccaTamachiro

src/content/docs/dns/foundation-dns/advanced-nameservers.mdx

@@ -12,11 +12,10 @@ Advanced nameservers included with [Foundation DNS](/dns/foundation-dns/) offer
 Consider the sections below for details about advanced nameservers, and refer to [Set up advanced nameservers](/dns/foundation-dns/setup/) to learn how to enable this feature.
 
 :::note
-
 <Render file="ns-advanced-vs-custom" product="dns" />
-Also, [some behaviors are
-different](/dns/foundation-dns/setup/#differences-from-standard-nameservers)
-when compared to standard nameservers. :::
+
+Also, [some behaviors are different](/dns/foundation-dns/setup/#differences-from-standard-nameservers) when compared to standard nameservers.
+:::
 
 ## Anycast network groups