Adjust sentence for readability keeping 'point to' as per PM review

Author: RebeccaTamachiro

src/content/docs/dns/dns-firewall/faq.mdx

@@ -59,7 +59,7 @@ Yes. The default TTL is 30 seconds. You can set `negative_cache_ttl` via the [AP
 
 <Details header="How can I set PTR records for nameserver hostnames?">
 
-To use PTR records on the assigned DNS Firewall cluster IPs that point to your nameserver hostnames, refer to the following API endpoints:
+To set up PTR records for the DNS Firewall cluster IPs that point to your nameserver hostnames, use the following API endpoints:
 
 - [Show DNS Firewall Cluster Reverse DNS](/api/operations/dns-firewall-show-dns-firewall-cluster-reverse-dns)
 - [Update DNS Firewall Cluster Reverse DNS](/api/operations/dns-firewall-update-dns-firewall-cluster-reverse-dns)