OSDOCS-11640 HCP 250 node scale

Author: xJustin

rosa_architecture/rosa_policy_service_definition/rosa-hcp-instance-types.adoc

@@ -7,6 +7,11 @@ include::_attributes/attributes-openshift-dedicated.adoc[]
 toc::[]
 {hcp-title} offers the following worker node instance types and sizes:
 
+[NOTE]
+====
+Currently, {hcp-title} supports a maximum of 250 worker nodes.
+====
+
 include::modules/rosa-sdpolicy-am-aws-compute-types.adoc[leveloffset=+1]
 
 include::modules/rosa-sdpolicy-am-aws-compute-types-graviton.adoc[leveloffset=+1]