diff --git a/cmd/kubeadm/app/apis/kubeadm/types.go b/cmd/kubeadm/app/apis/kubeadm/types.go
index d2471c67a19..d2490223ea4 100644
--- a/cmd/kubeadm/app/apis/kubeadm/types.go
+++ b/cmd/kubeadm/app/apis/kubeadm/types.go
@@ -181,7 +181,7 @@ type NodeRegistrationOptions struct {
 
 	// KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file
 	// kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap
-	// Flags have higher higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
+	// Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
 	KubeletExtraArgs map[string]string
 }
 
diff --git a/cmd/kubeadm/app/apis/kubeadm/v1alpha3/types.go b/cmd/kubeadm/app/apis/kubeadm/v1alpha3/types.go
index faa08cfb976..b983efceb2b 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1alpha3/types.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1alpha3/types.go
@@ -162,7 +162,7 @@ type NodeRegistrationOptions struct {
 
 	// KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file
 	// kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap
-	// Flags have higher higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
+	// Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
 	KubeletExtraArgs map[string]string `json:"kubeletExtraArgs,omitempty"`
 }
 
diff --git a/cmd/kubeadm/app/apis/kubeadm/v1beta1/types.go b/cmd/kubeadm/app/apis/kubeadm/v1beta1/types.go
index 11336648121..650839e498a 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1beta1/types.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1beta1/types.go
@@ -162,7 +162,7 @@ type NodeRegistrationOptions struct {
 
 	// KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file
 	// kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap
-	// Flags have higher higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
+	// Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
 	KubeletExtraArgs map[string]string `json:"kubeletExtraArgs,omitempty"`
 }
 
diff --git a/cmd/kubeadm/app/util/config/initconfiguration.go b/cmd/kubeadm/app/util/config/initconfiguration.go
index 8150961f5a4..4fbf1fdbfeb 100644
--- a/cmd/kubeadm/app/util/config/initconfiguration.go
+++ b/cmd/kubeadm/app/util/config/initconfiguration.go
@@ -118,7 +118,7 @@ func SetAPIEndpointDynamicDefaults(cfg *kubeadmapi.APIEndpoint) error {
 	return nil
 }
 
-// SetClusterDynamicDefaults checks and sets configuration values for the InitConfiguration object
+// SetClusterDynamicDefaults checks and sets values for the ClusterConfiguration object
 func SetClusterDynamicDefaults(cfg *kubeadmapi.ClusterConfiguration, advertiseAddress string, bindPort int32) error {
 	// Default all the embedded ComponentConfig structs
 	componentconfigs.Known.Default(cfg)