Merge pull request #2949 from mirake/fix-typo

Fix typo: recommanded -> recommended

Author: k8s-ci-robot

ansible/inventory/group_vars/all.yml

@@ -110,7 +110,7 @@ dns_replicas: 1
 # Certificate authority private key should not be kept on server
 # but you probably want to keep it to generate user certificates. Set
 # that value to "true" to keep ca.key file on {{ kube_cert_dir}}.
-# It's recommanded to remove the private key from the server. So if you set
+# It's recommended to remove the private key from the server. So if you set
 # kube_cert_keep_ca to true, please copy the ca.key file somewhere that
 # is secured, and remove it from server.
 kube_cert_keep_ca: false