diff --git a/docs/zh/server/security/secharden/authentication_and_authorization.md b/docs/zh/server/security/secharden/authentication_and_authorization.md
index 3519e68c93420cf1ebaac3dac12cb06a27841767..0eba659cc3e53c86071e3750d6bbf8173548dc76 100644
--- a/docs/zh/server/security/secharden/authentication_and_authorization.md
+++ b/docs/zh/server/security/secharden/authentication_and_authorization.md
@@ -80,7 +80,7 @@ umask值用于为用户新创建的文件和目录设置缺省权限。如果uma
     ```
 
     >![](./public_sys-resources/icon-note.gif) **说明：**
-    >_$FILE_  为具体的文件名，例如：chown root.root /etc/bashrc  
+    >_$FILE_  为具体的文件名，例如：chown root:root /etc/bashrc  
 
 ## 设置GRUB2加密口令