Fix some README formating.

Author: dotps1

README.md

@@ -91,9 +91,10 @@ PS C:\> Get-LastLoggedOnUser
 PSComputerName LastUseTime         UserName        Loaded
 -------------- -----------         --------        ------
 localhost      5/5/2017 9:06:45 AM domain\username   True
-PS C:\> Get-LastLoggedOnUser -Name Server1, Server2 -Credential (Get-Credential)
 
 
+PS C:\> Get-LastLoggedOnUser -Name Server1, Server2 -Credential (Get-Credential)
+
 PSComputerName LastUseTime         UserName        Loaded
 -------------- -----------         --------        ------
 Server1        5/5/2017 9:06:45 AM domain\username   True