diff --git a/content/zh-cn/docs/reference/kubernetes-api/authentication-resources/cluster-trust-bundle-v1beta1.md b/content/zh-cn/docs/reference/kubernetes-api/authentication-resources/cluster-trust-bundle-v1beta1.md
index e0f5a2d3a384f..c316f45a151f0 100644
--- a/content/zh-cn/docs/reference/kubernetes-api/authentication-resources/cluster-trust-bundle-v1beta1.md
+++ b/content/zh-cn/docs/reference/kubernetes-api/authentication-resources/cluster-trust-bundle-v1beta1.md
@@ -14,7 +14,7 @@ api_metadata:
   import: "k8s.io/api/certificates/v1beta1"
   kind: "ClusterTrustBundle"
 content_type: "api_reference"
-description: "ClusterTrustBundle is a cluster-scoped container for X."
+description: "ClusterTrustBundle is a cluster-scoped container for X.509 trust anchors (root certificates)."
 title: "ClusterTrustBundle v1beta1"
 weight: 5
 auto_generated: true
@@ -63,11 +63,11 @@ ClusterTrustBundle 可以选择与特定的签名程序相关联，此时它包
 -->
 - **metadata** (<a href="{{< ref "../common-definitions/object-meta#ObjectMeta" >}}">ObjectMeta</a>)
 
-  metadata 包含对象的元数据。
+  `metadata` 包含对象的元数据。
 
 - **spec** (<a href="{{< ref "../authentication-resources/cluster-trust-bundle-v1beta1#ClusterTrustBundleSpec" >}}">ClusterTrustBundleSpec</a>)，必需
 
-  spec 包含签名程序（如果有）和信任锚。
+  `spec` 包含签名程序（如果有）和信任锚。
 
 ## ClusterTrustBundleSpec {#ClusterTrustBundleSpec}