update infrastructure

Author: mletalie

modules/rosa-hcp-classic-comparison.adoc

@@ -30,11 +30,11 @@
 | Each machine pool is deployed in a single AZ (private subnet).
 | Machine pools can be deployed in single AZ or across multiple AZs.
 
-| *Infrastructure Nodes*
-| Does not use any dedicated nodes to host platform components, such as ingress and image registry.
-| Uses 2 (single-AZ) or 3 (multi-AZ) dedicated nodes to host platform components.
+| *Infrastructure nodes*
+| Does not use any dedicated infrastructure nodes to host platform components, such as ingress and image registry.
+| Uses 2 (single-AZ) or 3 (multi-AZ) dedicated infrastructure nodes to host platform components.
 
-| *OpenShift Capabilities*
+| *OpenShift capabilities*
 | Platform monitoring, image registry, and the ingress controller are deployed in the worker nodes.
 | Platform monitoring, image registry, and the ingress controller are deployed in the dedicated infrastructure nodes.