Update from 'NS record TTL' to 'Nameserver TTL'

Author: RebeccaTamachiro

src/content/docs/dns/additional-options/dns-zone-defaults.mdx

@@ -28,7 +28,7 @@ The values you select for the listed settings will be automatically applied to n
 For primary zones:
 
 - [Multi-provider DNS](/dns/nameservers/nameserver-options/#multi-provider-dns): Control whether or not Cloudflare will consider `NS` records you add on the zone apex and if zones that contain external nameservers listed in the registrar will be activated.
-- [NS record TTL](/dns/nameservers/nameserver-options/#nameserver-ttl): Control how long, in minutes, your nameserver (`NS`) records are cached. The default time-to-live (TTL) is 24 hours. This setting applies both to Cloudflare nameservers and [custom nameservers](/dns/nameservers/custom-nameservers/).
+- [Nameserver TTL](/dns/nameservers/nameserver-options/#nameserver-ttl): Control how long, in seconds, your nameserver (`NS`) records are cached. The default time-to-live (TTL) is 24 hours. This setting applies both to Cloudflare nameservers and [custom nameservers](/dns/nameservers/custom-nameservers/).
 - [SOA record](/dns/manage-dns-records/reference/dns-record-types/#soa): Adjust values for the start of authority (SOA) record that Cloudflare creates for your zone.
 
 For secondary zones:

src/content/docs/dns/manage-dns-records/reference/ttl.mdx

@@ -28,6 +28,6 @@ It may take longer than 5 minutes for you to actually experience record changes,
 
 For **DNS only** records, you can choose a TTL between **30 seconds** (Enterprise) or **60 seconds** (non-Enterprise) and **1 day**.
 
-:::note
-[Nameserver TTL](/dns/nameservers/nameserver-options/#nameserver-ttl) is a separate feature and only affects Cloudflare nameservers (standard or advanced) and custom nameservers. For other NS records on your DNS records table, TTL is controlled by their respective TTL fields.
-:::
+## Nameserver TTL
+
+[Nameserver TTL](/dns/nameservers/nameserver-options/#nameserver-ttl) is a separate feature and only affects Cloudflare nameservers and custom nameservers. For other [NS records](/reference/dns-record-types/#ns) on your DNS records table, TTL is controlled by their respective TTL fields.