fix(proxmox): fixed docs

Author: timothystewart6

_posts/2021-07-10-proxmox-7.md

@@ -38,9 +38,8 @@ sed -i 's/buster\/updates/bullseye-security/g;s/buster/bullseye/g' /etc/apt/sour
 We’ll also need to make sure we comment out any Proxmox ve 6.0 repositories.
 
 ```bash
-nano /apt/sources/list
+nano /etc/apt/sources/list
 nano /etc/apt/sources.list.d/pve-enterprise.list
-
 ```
 
 Add Proxmox VE & package Repo