Fix kube_hostname_override inconsistencies (#4185)

inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml

@@ -111,6 +111,13 @@ kube_proxy_nodeport_addresses: >-
   []
   {%- endif -%}
 
+# If non-empty, will use this string as identification instead of the actual hostname
+#kube_override_hostname: >-
+#  {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%}
+#  {%- else -%}
+#  {{ inventory_hostname }}
+#  {%- endif -%}
+
 ## Encrypting Secret Data at Rest (experimental)
 kube_encrypt_secret_data: false