diff --git a/docs/book/src/cronjob-tutorial/testdata/project/config/default/kustomization.yaml b/docs/book/src/cronjob-tutorial/testdata/project/config/default/kustomization.yaml
index d9dc63e0d2..f91d0c64e0 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/config/default/kustomization.yaml
+++ b/docs/book/src/cronjob-tutorial/testdata/project/config/default/kustomization.yaml
@@ -36,7 +36,7 @@ patchesStrategicMerge:
 
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
 # crd/kustomization.yaml
-#- manager_webhook_patch.yaml
+- manager_webhook_patch.yaml
 
 # [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
 # Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
diff --git a/hack/docs/internal/cronjob-tutorial/generate_cronjob.go b/hack/docs/internal/cronjob-tutorial/generate_cronjob.go
index 1b76a2f377..9ab732e177 100644
--- a/hack/docs/internal/cronjob-tutorial/generate_cronjob.go
+++ b/hack/docs/internal/cronjob-tutorial/generate_cronjob.go
@@ -569,6 +569,11 @@ func updateKustomization(sp *Sample) {
 		`#- ../certmanager`, `#`)
 	CheckError("fixing default/kustomization", err)
 
+	err = pluginutil.UncommentCode(
+		filepath.Join(sp.ctx.Dir, "config/default/kustomization.yaml"),
+		`#- manager_webhook_patch.yaml`, `#`)
+	CheckError("fixing default/kustomization", err)
+
 	err = pluginutil.UncommentCode(
 		filepath.Join(sp.ctx.Dir, "config/default/kustomization.yaml"),
 		`#- webhookcainjection`, `#`)