Merge pull request #74787 from DCChadwick/ocpbugs21585

ocpbugs21585: changing label for selector node

Author: jldohmann

modules/creating-an-infra-node.adoc

@@ -65,10 +65,10 @@ kind: Scheduler
 metadata:
   name: cluster
 spec:
-  defaultNodeSelector: topology.kubernetes.io/region=us-east-1 <1>
+  defaultNodeSelector: node-role.kubernetes.io/infra="" <1>
 # ...
 ----
-<1> This example node selector deploys pods on nodes in the `us-east-1` region by default.
+<1> This example node selector deploys pods on infrastructure nodes by default.
 
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