diff --git a/cmd/kubeadm/app/apis/kubeadm/v1alpha3/defaults_windows.go b/cmd/kubeadm/app/apis/kubeadm/v1alpha3/defaults_windows.go
index d5cc345403e..fa68cf94c51 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1alpha3/defaults_windows.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1alpha3/defaults_windows.go
@@ -21,7 +21,7 @@ package v1alpha3
 const (
 	// DefaultCACertPath defines default location of CA certificate on Windows
 	DefaultCACertPath = "C:/etc/kubernetes/pki/ca.crt"
-	// DefaultSocketUrlScheme defines default socket url prefix
+	// DefaultUrlScheme defines default socket url prefix
 	DefaultUrlScheme = "tcp"
 	// DefaultCRISocket defines the default cri socket
 	DefaultCRISocket = "tcp://localhost:2375"
diff --git a/cmd/kubeadm/app/apis/kubeadm/v1beta1/defaults_windows.go b/cmd/kubeadm/app/apis/kubeadm/v1beta1/defaults_windows.go
index 8261f2e8919..13b1d88ffc1 100644
--- a/cmd/kubeadm/app/apis/kubeadm/v1beta1/defaults_windows.go
+++ b/cmd/kubeadm/app/apis/kubeadm/v1beta1/defaults_windows.go
@@ -21,7 +21,7 @@ package v1beta1
 const (
 	// DefaultCACertPath defines default location of CA certificate on Windows
 	DefaultCACertPath = "C:/etc/kubernetes/pki/ca.crt"
-	// DefaultSocketUrlScheme defines default socket url prefix
+	// DefaultUrlScheme defines default socket url prefix
 	DefaultUrlScheme = "tcp"
 	// DefaultCRISocket defines the default cri socket
 	DefaultCRISocket = "tcp://localhost:2375"
diff --git a/cmd/kubeadm/app/util/config/joinconfiguration.go b/cmd/kubeadm/app/util/config/joinconfiguration.go
index 2db44477b70..278fa81c87e 100644
--- a/cmd/kubeadm/app/util/config/joinconfiguration.go
+++ b/cmd/kubeadm/app/util/config/joinconfiguration.go
@@ -45,7 +45,11 @@ func SetJoinDynamicDefaults(cfg *kubeadmapi.JoinConfiguration) error {
 	return nil
 }
 
-// JoinConfigFileAndDefaultsToInternalConfig
+// JoinConfigFileAndDefaultsToInternalConfig takes a path to a config file and a versioned configuration that can serve as the default config
+// If cfgPath is specified, defaultversionedcfg will always get overridden. Otherwise, the default config (often populated by flags) will be used.
+// Then the external, versioned configuration is defaulted and converted to the internal type.
+// Right thereafter, the configuration is defaulted again with dynamic values (like IP addresses of a machine, etc)
+// Lastly, the internal config is validated and returned.
 func JoinConfigFileAndDefaultsToInternalConfig(cfgPath string, defaultversionedcfg *kubeadmapiv1beta1.JoinConfiguration) (*kubeadmapi.JoinConfiguration, error) {
 	internalcfg := &kubeadmapi.JoinConfiguration{}
 
diff --git a/cmd/kubeadm/app/util/system/types_windows.go b/cmd/kubeadm/app/util/system/types_windows.go
index fb85049cdd7..34d89f2bd90 100644
--- a/cmd/kubeadm/app/util/system/types_windows.go
+++ b/cmd/kubeadm/app/util/system/types_windows.go
@@ -49,7 +49,7 @@ type KernelValidatorHelperImpl struct{}
 
 var _ KernelValidatorHelper = &KernelValidatorHelperImpl{}
 
-// GetKernelRelease returns the windows release version (ex. 10.0.14393) as a string
+// GetKernelReleaseVersion returns the windows release version (ex. 10.0.14393) as a string
 func (o *KernelValidatorHelperImpl) GetKernelReleaseVersion() (string, error) {
 	args := []string{"(Get-CimInstance Win32_OperatingSystem).Version"}
 	releaseVersion, err := exec.Command("powershell", args...).Output()