Merge pull request openshift#86913 from lahinson/ocpbugs-44731-hcp-load-balancer

[OCPBUGS-44731]: Add note about service publishing for HCP on BM

Author: lahinson

modules/hcp-bm-hc.adoc

@@ -18,6 +18,8 @@ As you create a hosted cluster, keep the following guidelines in mind:
 
 - A hosted cluster cannot be created in the namespace of a {mce-short} managed cluster.
 
+- The most common service publishing strategy is to expose services through a load balancer. That strategy is the preferred method for exposing the Kubernetes API server. If you create a hosted cluster by using the web console or by using {rh-rhacm-title}, to set a publishing strategy for a service besides the Kubernetes API server, you must manually specify the `servicePublishingStrategy` information in the `HostedCluster` custom resource.
+
 .Procedure
 
 . Create the hosted control plane namespace by entering the following command: