azure-stack-billing-and-chargeback.md is relative

Author: nschonni

articles/azure-stack/azure-stack-add-manage-billing-as-a-csp.md

@@ -82,4 +82,4 @@ Since tenant subscriptions are CSP subscriptions, their bill is sent to the CSP
 ## Next steps
 
  - To learn more about the CSP program, see [Cloud Solution Provider program](https://partnercenter.microsoft.com/en-us/partner/programs).
- - To learn more about how to retrieve resource usage information from Azure Stack, see [Usage and billing in Azure Stack](/azure-stack-billing-and-chargeback.md).
+ - To learn more about how to retrieve resource usage information from Azure Stack, see [Usage and billing in Azure Stack](azure-stack-billing-and-chargeback.md).