Update create-service-group-member-rest-api.md

Author: kenieva

articles/governance/service-groups/create-service-group-member-rest-api.md

@@ -16,8 +16,7 @@ ms.custom:
 To add resources, resource groups, or subscriptions to a Service Group (preview), you need to create a new Service Group Member Relationship. For more information on service groups, see [Getting started with Service Groups](overview.md).
 
 > [!IMPORTANT]
-> Azure Service Groups is currently in PREVIEW. 
-> For more information about participating in the preview, see [Azure Service Groups Preview](https://aka.ms/ServiceGroups/PreviewSignup).
+> Azure Service Groups is currently in public preview. 
 > See the [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/) for legal terms that apply to Azure features that are in beta, preview, or otherwise not yet released into general availability.
 
 ## Prerequisites