diff --git a/content/en/docs/reference/access-authn-authz/authentication.md b/content/en/docs/reference/access-authn-authz/authentication.md
index bfd4e2c273..9159b7c68d 100644
--- a/content/en/docs/reference/access-authn-authz/authentication.md
+++ b/content/en/docs/reference/access-authn-authz/authentication.md
@@ -408,6 +408,10 @@ file format. Within the file, `clusters` refers to the remote service and
 `users` refers to the API server webhook. An example would be:
 
 ```yaml
+# Kubernetes API version
+apiVersion: v1
+# kind of the API object
+kind: Config
 # clusters refers to the remote service.
 clusters:
   - name: name-of-remote-authn-service
diff --git a/content/en/docs/reference/access-authn-authz/webhook.md b/content/en/docs/reference/access-authn-authz/webhook.md
index 3989baa724..e4945b1685 100644
--- a/content/en/docs/reference/access-authn-authz/webhook.md
+++ b/content/en/docs/reference/access-authn-authz/webhook.md
@@ -29,6 +29,10 @@ file format. Within the file "users" refers to the API Server webhook and
 A configuration example which uses HTTPS client auth:
 
 ```yaml
+# Kubernetes API version
+apiVersion: v1
+# kind of the API object
+kind: Config
 # clusters refers to the remote service.
 clusters:
   - name: name-of-remote-authz-service