update upcoming breaking changes

Author: haitch

src/ResourceManager/OperationalInsights/documentation/upcoming-breaking-changes.md

@@ -32,6 +32,15 @@ Default parameter set for Get-AzureRmOperationalInsightsDataSource will be depre
 # Old (which does nothing)
 Get-AzureRmOperationalInsightsDataSource 
 
+# New
+Get-AzureRmOperationalInsightsDataSource -ResourceGroupName "resourceGroupA" -WorkspaceName "LogAnalyticsWorkspace" -Kind AzureActivityLog
+```
+
+AzureAuditLog will be removed from parameter Kind for Get-AzureRmOperationalInsightsDataSource, you should switch to AzureActivityLog.
+```powershell
+# Old
+Get-AzureRmOperationalInsightsDataSource -ResourceGroupName "resourceGroupA" -WorkspaceName "LogAnalyticsWorkspace" -Kind AzureAuditLog
+
 # New
 Get-AzureRmOperationalInsightsDataSource -ResourceGroupName "resourceGroupA" -WorkspaceName "LogAnalyticsWorkspace" -Kind AzureActivityLog
 ```