Merge pull request #37156 from bergerhoffer/github-36908

GitHub-36908: Adjusting example default node selector

Author: bergerhoffer

modules/creating-an-infra-node.adoc

@@ -63,10 +63,10 @@ metadata:
   name: cluster
 ...
 spec:
-  defaultNodeSelector: topology.kubernetes.io/zone=us-east-1 <1>
+  defaultNodeSelector: topology.kubernetes.io/region=us-east-1 <1>
 ...
 ----
-<1> This example node selector deploys pods on nodes in the `us-east-1` zone by default.
+<1> This example node selector deploys pods on nodes in the `us-east-1` region by default.
 
 .. Save the file to apply the changes.