proxmox/bugfix: link to disk-management is broken

wiki/linux/proxmox.md

@@ -13,13 +13,13 @@ Enlarge a disk by using:
 qm resize <vmid> <vm-disk-to-enlarge> <size>
 ```
 
-For example:
+For example (100G is 100GibiByte):
 
 ```shell
 qm resize 100 ide0 +100G
 ```
 
-After that grow the filesystem as described in [the disk-management article](linux/disk-management.md).
+After that grow the filesystem as described in [the disk-management article](disk-management.md).
 
 ## VM passthrough