Add information about ability to change SOA for existing zone

Author: RebeccaTamachiro

src/content/docs/dns/manage-dns-records/reference/dns-record-types.mdx

@@ -320,7 +320,8 @@ A start of authority (SOA) record stores information about your domain such as a
 
 If you are using Cloudflare for your [authoritative DNS](/dns/zone-setups/full-setup/), you do not need to create an SOA record. Cloudflare creates this record automatically when you start using Cloudflare's authoritative nameservers.
 
-If you have an Enterprise account, you also have the option to configure your own [DNS zone defaults](/dns/additional-options/dns-zone-defaults/) and change the SOA record values that Cloudflare will use for all new zones added to your account.
+If you have an Enterprise account, you also have the option to change the SOA record values that Cloudflare will use.
+You can do that for existing zones by going to **DNS** > **Records** > **DNS record options**, or you can configure your own [DNS zone defaults](/dns/additional-options/dns-zone-defaults/) and define the SOA record values that Cloudflare will use for all new zones added to your account.
 
 Refer to the following list for information about each SOA record field: