Merge pull request #57286 from vuldin/multiple-nodes-not-control-planes

Clusters require multiple nodes (rather than multiple control planes)

Author: EricPonvelle

modules/rosa-sdpolicy-am-compute.adoc

@@ -6,9 +6,9 @@
 [id="rosa-sdpolicy-instance-types_{context}"]
 = Instance types
 
-Single availability zone clusters require a minimum of 3 control planes, 2 infrastructure nodes, and 2 worker nodes deployed to a single availability zone.
+Single availability zone clusters require a minimum of 3 control plane nodes, 2 infrastructure nodes, and 2 worker nodes deployed to a single availability zone.
 
-Multiple availability zone clusters require a minimum of 3 control planes. 3 infrastructure nodes, and 3 worker nodes. Additional nodes must be purchased in multiples of three to maintain proper node distribution.
+Multiple availability zone clusters require a minimum of 3 control plane nodes. 3 infrastructure nodes, and 3 worker nodes. Additional nodes must be purchased in multiples of three to maintain proper node distribution.
 
 All {product-title} clusters support a maximum of 180 worker nodes.
 
@@ -26,4 +26,4 @@ Approximately one vCPU core and 1 GiB of memory are reserved on each worker node
 {OCP} core systems such as audit log aggregation, metrics collection, DNS, image registry, SDN, and others might consume additional allocatable resources to maintain the stability and maintainability of the cluster. The additional resources consumed might vary based on usage.
 
 For additional information, see the link:https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/#system-reserved[Kubernetes documentation].
-====
+====