diff --git a/cmd/kubeadm/app/apis/kubeadm/v1beta2/doc.go b/cmd/kubeadm/app/apis/kubeadm/v1beta2/doc.go
index 2e9175115b9..64ae2bb8f7c 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1beta2/doc.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1beta2/doc.go
@@ -176,12 +176,12 @@ limitations under the License.
 // 	    effect: "NoSchedule"
 // 	  kubeletExtraArgs:
 // 	    v: 4
-//	  ignorePreflightErrors:
-//	  - IsPrivilegedUser
+// 	  ignorePreflightErrors:
+// 	  - IsPrivilegedUser
 // 	localAPIEndpoint:
 // 	  advertiseAddress: "10.100.0.1"
 // 	  bindPort: 6443
-//	certificateKey: "e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204"
+// 	certificateKey: "e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204"
 // 	---
 // 	apiVersion: kubeadm.k8s.io/v1beta2
 // 	kind: ClusterConfiguration
diff --git a/cmd/kubeadm/app/apis/kubeadm/v1beta3/doc.go b/cmd/kubeadm/app/apis/kubeadm/v1beta3/doc.go
index e34b5791cef..8353359f91a 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1beta3/doc.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1beta3/doc.go
@@ -180,15 +180,15 @@ limitations under the License.
 // 	    effect: "NoSchedule"
 // 	  kubeletExtraArgs:
 // 	    v: 4
-//	  ignorePreflightErrors:
-//	  - IsPrivilegedUser
-//    imagePullPolicy: "IfNotPresent"
+// 	  ignorePreflightErrors:
+// 	  - IsPrivilegedUser
+// 	  imagePullPolicy: "IfNotPresent"
 // 	localAPIEndpoint:
 // 	  advertiseAddress: "10.100.0.1"
 // 	  bindPort: 6443
-//	certificateKey: "e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204"
-//  skipPhases:
-//  - addon/kube-proxy
+// 	certificateKey: "e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204"
+// 	skipPhases:
+// 	- addon/kube-proxy
 // 	---
 // 	apiVersion: kubeadm.k8s.io/v1beta3
 // 	kind: ClusterConfiguration