Merge pull request #65909 from jneczypor/OSDOCS-8088

OSDOCS-8088: Edit domain name in step 3.2 of ROSA Shared VPC docs

Author: jab-rh

modules/rosa-sharing-vpc-hosted-zones.adoc

@@ -37,7 +37,7 @@ image::372_OpenShift_on_AWS_persona_worflows_0923_3.png[]
   ]
 }
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-. Create a private hosted zone in the link:https://us-east-1.console.aws.amazon.com/route53/v2/[Route 53 section of the AWS console]. In the hosted zone configuration, the domain name is `<cluster-name>.openshiftapps.com`. The private hosted zone must be associated with the created VPC.
+. Create a private hosted zone in the link:https://us-east-1.console.aws.amazon.com/route53/v2/[Route 53 section of the AWS console]. In the hosted zone configuration, the domain name is `<cluster_name>.<reserved_dns_domain>`. The private hosted zone must be associated with the created VPC.
 . After the hosted zone is created and associated with the VPC, provide the following to the *Cluster Creator* to continue configuration:
 * Hosted zone ID
 * AWS region