diff --git a/pkg/apis/admissionregistration/types.go b/pkg/apis/admissionregistration/types.go
index 9b9cb24adde..3fa9a075102 100644
--- a/pkg/apis/admissionregistration/types.go
+++ b/pkg/apis/admissionregistration/types.go
@@ -263,7 +263,7 @@ type ValidatingWebhook struct {
 	// +optional
 	ObjectSelector *metav1.LabelSelector
 
-	// SideEffects states whether this webhookk has side effects.
+	// SideEffects states whether this webhook has side effects.
 	// Acceptable values are: Unknown, None, Some, NoneOnDryRun
 	// Webhooks with side effects MUST implement a reconciliation system, since a request may be
 	// rejected by a future step in the admission change and the side effects therefore need to be undone.
@@ -387,7 +387,7 @@ type MutatingWebhook struct {
 	// +optional
 	ObjectSelector *metav1.LabelSelector
 
-	// SideEffects states whether this webhookk has side effects.
+	// SideEffects states whether this webhook has side effects.
 	// Acceptable values are: Unknown, None, Some, NoneOnDryRun
 	// Webhooks with side effects MUST implement a reconciliation system, since a request may be
 	// rejected by a future step in the admission change and the side effects therefore need to be undone.