diff --git a/cmd/kubeadm/app/util/config/cluster.go b/cmd/kubeadm/app/util/config/cluster.go
index cf53217ba0d..b3795681314 100644
--- a/cmd/kubeadm/app/util/config/cluster.go
+++ b/cmd/kubeadm/app/util/config/cluster.go
@@ -63,7 +63,7 @@ func (ue *unretriableError) Error() string {
 // FetchInitConfigurationFromCluster fetches configuration from a ConfigMap in the cluster
 func FetchInitConfigurationFromCluster(client clientset.Interface, w io.Writer, logPrefix string, newControlPlane, skipComponentConfigs bool) (*kubeadmapi.InitConfiguration, error) {
 	fmt.Fprintf(w, "[%s] Reading configuration from the cluster...\n", logPrefix)
-	fmt.Fprintf(w, "[%s] FYI: You can look at this config file with 'kubectl -n %s get cm %s -oyaml'\n", logPrefix, metav1.NamespaceSystem, constants.KubeadmConfigConfigMap)
+	fmt.Fprintf(w, "[%s] FYI: You can look at this config file with 'kubectl -n %s get cm %s -o yaml'\n", logPrefix, metav1.NamespaceSystem, constants.KubeadmConfigConfigMap)
 
 	// Fetch the actual config from cluster
 	cfg, err := getInitConfigurationFromCluster(constants.KubernetesDir, client, newControlPlane, skipComponentConfigs)