Merge pull request #36131 from maslow/patch-1

Update extensible-admission-controllers.md

Author: k8s-ci-robot

content/zh-cn/docs/reference/access-authn-authz/extensible-admission-controllers.md

@@ -203,7 +203,7 @@ webhooks:
 You must replace the `<CA_BUNDLE>` in the above example by a valid CA bundle
 which is a PEM-encoded CA bundle for validating the webhook's server certificate.
 -->
-你必须在以上示例中将 `<CA_BUNDLE>` 替换为一个有效的 VA 证书包，
+你必须在以上示例中将 `<CA_BUNDLE>` 替换为一个有效的 CA 证书包，
 这是一个用 PEM 编码的 CA 证书包，用于校验 Webhook 的服务器证书。
 {{< /note >}}