Merge pull request #49085 from my-git9/pp-11517

[zh-cn]sync kubeadm_join_phase

Author: k8s-ci-robot

content/zh-cn/docs/reference/setup-tools/kubeadm/generated/kubeadm_join/kubeadm_join_phase.md

@@ -1,5 +1,5 @@
 <!-- 
-Use this command to invoke single phase of the join workflow 
+Use this command to invoke single phase of the "join" workflow 
 -->
 使用此命令来调用 `join` 工作流程的某个阶段。
 
@@ -9,10 +9,14 @@ Use this command to invoke single phase of the join workflow
 ### 概要
 
 <!--
-Use this command to invoke single phase of the join workflow
+Use this command to invoke single phase of the "join" workflow
 -->
 使用此命令来调用 `join` 工作流程的某个阶段。
 
+```
+kubeadm join phase [flags]
+```
+
 <!--
 ### Options
 -->