Update FindPotentialDirectoryProblems.PS1

Add disclaimer

Author: 12Knocksinna

FindPotentialDirectoryProblems.PS1

@@ -120,3 +120,9 @@ Write-Host "Number of mailboxes with no Postal Code: " $NoZip.Count $PercentNoZi
 $Report | Sort User | Export-CSV c:\temp\DirectoryIssues.csv -NoTypeInformation
 Write-Host " "
 Write-Host "An output file containing details of missing directory properties is available in c:\temp\DirectoryIssues.csv"
+
+# An example script used to illustrate a concept. More information about the topic can be found in the Office 365 for IT Pros eBook https://gum.co/O365IT/
+# and/or a relevant article on https://office365itpros.com or https://www.petri.com. See our post about the Office 365 for IT Pros repository # https://office365itpros.com/office-365-github-repository/ for information about the scripts we write.
+
+# Do not use our scripts in production until you are satisfied that the code meets the need of your organization. Never run any code downloaded from the Internet without
+# first validating the code in a non-production environment.