Update link to updated doc (#417)

docs/reference/wingtip/README.md

@@ -24,7 +24,7 @@ See the following [instructions](../../EnterpriseScale-Setup-azure.md) on how to
 
 The deployment experience in Azure portal allows you to bring in an existing (preferably empty) subscription dedicated for platform management, and an existing subscription that can be used as the initial landing zone for your applications.
 
-To learn how to create new subscriptions programatically, please visit this [link](https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/programmatically-create-subscription?tabs=rest).
+To learn how to create new subscriptions programatically, please visit this [link](https://docs.microsoft.com/en-us/azure/cost-management-billing/manage/programmatically-create-subscription).
 
 To learn how to create new subscriptions using Azure portal, please visit this [link](https://azure.microsoft.com/en-us/blog/create-enterprise-subscription-experience-in-azure-portal-public-preview/).