add comment about failing command

ansible/roles/win_domain_controller/files/OpenStackADBuildv7.5.2.ps1

@@ -20,7 +20,7 @@ $computersOU = $DomainInfo.ComputersContainer
 $domaincontrollersOU = $DomainInfo.DomainControllersContainer
 
 #get wsus server name
-$wsusserver = (Get-ADComputer -Identity "$winProject-WSUS").Name
+$wsusserver = (Get-ADComputer -Identity "$winProject-WSUS").Name # Fails since WSUS server isn't part of the domain when this is run.
 
 $homepage = "https://www.epcc.ed.ac.uk/"
 
@@ -420,4 +420,4 @@ New-GPLink -Name "Chrome" -Target $workbenchou
      #Profile Redirection
      #keyboard settings
 
-Write-Output "THIS SCRIPT ACTUALLY RAN" | Out-File -FilePath 'C:\eidf\BuildScript.txt'
+Write-Output "THIS SCRIPT ACTUALLY RAN" | Out-File -FilePath 'C:\eidf\BuildScript.txt'