mirror-help/virtualbox.md

@@ -45,7 +45,7 @@ deb http://linux.xidian.edu.cn/mirrors/virtualbox/apt/ xenial contrib
 
 ```
 sudo apt-get update
-sudo apt-get install virtualbox-5.0
+sudo apt-get install virtualbox-5.2
 ```
 
 ## RHEL / CentOS