Update Microsoft.Online.SharePoint.PowerShell.md

Author: vgaddam-pm

sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Microsoft.Online.SharePoint.PowerShell.md

@@ -138,6 +138,9 @@ Export user information from site user information list.
 ### [Export-SPOUserProfile](Export-SPOUserProfile.md)
 Export user profile data to csv file.
 
+### [Find-SPOCrossTenantLongFilePathsForSiteRename](Find-SPOCrossTenantLongFilePathsForSiteRename.md)
+Finds sites that exceed 400 character limit for Cross Tenant User Migration moves.
+
 ### [Get-FileSensitivityLabelInfo](Get-FileSensitivityLabelInfo.md)
 Extracts and displays the sensitivity label related information attached to an office file stored in SharePoint.