chore(dotfiles): clarify README to reflect that root isn't the only other user available

Co-authored-by: Mathias Fredriksson <mafredri@gmail.com>

dotfiles/README.md

@@ -46,7 +46,7 @@ module "dotfiles" {
 }
 ```
 
-### Apply dotfiles as the current user and root (only works if sudo is passwordless)
+### Apply the same dotfiles as the current user and root (the root dotfiles can only be applied if sudo is passwordless)
 
 ```tf
 module "dotfiles" {