Merge pull request MicrosoftDocs#4671 from get-itips/patch-128

Changing intro wording

Author: kenwith

skype/skype-ps/skype/Get-CsUser.md

@@ -12,7 +12,7 @@ ms.reviewer:
 # Get-CsUser
 
 ## SYNOPSIS
-Returns information about all the users in your organization who have been enabled for Skype for Business Server 2015 or a previous version of the software.
+Returns information about all the users in your organization who have been enabled for Skype for Business Server 2019 or a previous version of the software.
 This cmdlet was introduced in Lync Server 2010.