fixed broken link

getting_started/machine_setup.md

@@ -22,7 +22,7 @@ Kali Linux is a Linux distribution created for penetration testing and security
 That's it, you now have an operational Kali VM. The default credentials for the Kali VM are "kali/kali". You'll probably want to change that password. To learn more about using Kali Linux, check out the [Kali Linux Docs](https://www.kali.org/docs/). You'll need to get comfortable using Linux to be proficient at Hack the Box Labs.
 
 ## Keep it Updated
-Kali recommends checking for updates every few weeks. Kali does not automatically pull in updates so you have to do it yourself. [This page] of the Kali docs go over how to install updates. The two commands you need to use are:
+Kali recommends checking for updates every few weeks. Kali does not automatically pull in updates so you have to do it yourself. [This page](https://www.kali.org/docs/general-use/updating-kali/) of the Kali docs go over how to install updates. The two commands you need to use are:
 ```shell
 kali@kali:~$ sudo apt update
 kali@kali:~$ sudo apt full-upgrade -y