Update direct-ea-billing-invoice-documents.md

Fix Policheck bug https://dev.azure.com/msft-skilling/learn-platform-policheck/_workitems/edit/299619

Author: v-thepet

articles/cost-management-billing/manage/direct-ea-billing-invoice-documents.md

@@ -120,11 +120,11 @@ The transactions file is a CSV file that includes the same information as the in
 | Extended Amount | The quantity multiplied by the unit price. |
 | Commitment Usage | The amount of monetary commitment that has been used. |
 | Net Amount | The extended amount minus the commitment usage. |
-| Tax Rate | The tax rate applicable to the product based on the country of billing. |
+| Tax Rate | The tax rate applicable to the product based on the country/region of billing. |
 | Tax Amount | The net amount multiplied by tax rate. |
 | Total | The sum of the net amount and tax amount. |
 | Is Third Party | Indicates whether the product or service is a third-party product. |
 
 ## Related content
 
-- Learn how to download your Direct EA billing invoice documents at [View your Azure usage summary details and download reports for direct EA enrollments](direct-ea-azure-usage-charges-invoices.md).
+- Learn how to download your Direct EA billing invoice documents at [View your Azure usage summary details and download reports for direct EA enrollments](direct-ea-azure-usage-charges-invoices.md).