diff --git a/Audit Office 365 External Sharing Activity/ExternalSharingReport.ps1 b/Audit Office 365 External Sharing Activity/ExternalSharingReport.ps1
index df0a84f..cac7895 100644
--- a/Audit Office 365 External Sharing Activity/ExternalSharingReport.ps1	
+++ b/Audit Office 365 External Sharing Activity/ExternalSharingReport.ps1	
@@ -1,4 +1,14 @@
-Param
+<#
+=============================================================================================
+Name:           Office 365 external user file access report
+Description:    This script exports SharePoint Online external user file access report to CSV
+Version:        1.0
+Website:        o365reports.com
+Script by:      O365Reports Team
+For detailed script execution: https://o365reports.com/2021/05/20/audit-sharepoint-online-external-sharing-using-powershell
+============================================================================================
+#>
+Param
 (
     [Parameter(Mandatory = $false)]
     [Nullable[DateTime]]$StartDate,