diff --git a/k8s/crds/kops.k8s.io_clusters.yaml b/k8s/crds/kops.k8s.io_clusters.yaml
index 5d8841f738..a58936b5d7 100644
--- a/k8s/crds/kops.k8s.io_clusters.yaml
+++ b/k8s/crds/kops.k8s.io_clusters.yaml
@@ -3132,7 +3132,7 @@ spec:
                     type: object
                   classic:
                     description: ClassicNetworkingSpec is the specification of classic
-                      networking mode, integrated into kubernetes Support been removed
+                      networking mode, integrated into kubernetes. Support been removed
                       since kops 1.4.
                     type: object
                   cni:
diff --git a/pkg/apis/kops/networking.go b/pkg/apis/kops/networking.go
index 3b4ba5ee07..28b4f33b67 100644
--- a/pkg/apis/kops/networking.go
+++ b/pkg/apis/kops/networking.go
@@ -37,7 +37,8 @@ type NetworkingSpec struct {
 	GCE        *GCENetworkingSpec        `json:"gce,omitempty"`
 }
 
-// ClassicNetworkingSpec is the specification of classic networking mode, integrated into kubernetes
+// ClassicNetworkingSpec is the specification of classic networking mode, integrated into kubernetes.
+// Support been removed since kops 1.4.
 type ClassicNetworkingSpec struct {
 }
 
@@ -45,14 +46,13 @@ type ClassicNetworkingSpec struct {
 type KubenetNetworkingSpec struct {
 }
 
-// ExternalNetworkingSpec is the specification for networking that is implemented by a Daemonset
-// It also uses kubenet
+// ExternalNetworkingSpec is the specification for networking that is implemented by a Daemonset.
+// Uses the kubenet networking provider.
 type ExternalNetworkingSpec struct {
 }
 
-// CNINetworkingSpec is the specification for networking that is implemented by a Daemonset
-// Networking is not managed by kops - we can create options here that directly configure e.g. weave
-// but this is useful for arbitrary network modes or for modes that don't need additional configuration.
+// CNINetworkingSpec is the specification for networking that is implemented by a Daemonset.
+// Uses the CNI networking interface.
 type CNINetworkingSpec struct {
 	UsesSecondaryIP bool `json:"usesSecondaryIP,omitempty"`
 }