Update Set-MigrationBatch.md with new example

Added example for incrementally adding users to a migration batch.

Author: chrisda

exchange/exchange-ps/ExchangePowerShell/Set-MigrationBatch.md

@@ -73,6 +73,13 @@ Set-MigrationBatch -Identity MigrationBatch01 -ApproveSkippedItems
 
 This example updates MigrationBatch01 by approving all of the skipped items for all of the users in the batch that were detected previously.
 
+### Example 2
+```powershell
+`Set-MigrationBatch -Identity MigrationBatch01 -AddUsers -CSVData ([System.IO.File]::ReadAllBytes('C:\Data\MigrationBatch01.csv'))`
+```
+
+In the cloud-based service, this example adds new users to the existing migration batch named MigrationBatch01. The new users are identified in the file C:\Data\MigrationBatch01.csv that was used to create the original migration batch. Only the new users in the file are processed.
+
 ## PARAMETERS
 
 ### -Identity
@@ -102,13 +109,9 @@ Accept wildcard characters: False
 
 This parameter is available only in the cloud-based service.
 
-This command supports incrementally adding users to an existing migration batch without recreating or resubmitting the entire batch. It should be used as follows:
-
-> Set-MigrationBatch -AddUsers -CSVData <FilePath>
-
-The CSV file provided in the -CSVData parameter must have the same format as the one originally used when creating the migration batch with New-Migration-Batch.
+The AddUsers switch specifies whether to incrementally add users to an existing migration batch without recreating or resubmitting the entire batch. You don't need to specify a value with this switch.
 
-Running this command appends the new CSV data provided to the existing CSV data that already belongs to the migration batch. It then only processes the new entries, rather than reprocessing the existing ones.
+You use this switch with the CSVData parameter. The specified CSV file must have the same format as the CSV file used to create the migration batch. Only new entries in the CSV file are processed. For more information, see Example 2 in the Examples section.
 
 ```yaml
 Type: SwitchParameter