Updated intro para

Author: ntrogh

articles/load-testing/how-to-test-secured-endpoints.md

@@ -12,8 +12,7 @@ ms.custom: template-how-to
 
 # Load test secured endpoints with Azure Load Testing Preview
 
-In this article, you learn how to load test secured endpoints with Azure Load Testing Preview. Azure Load Testing enables you to [authenticate with endpoints by using shared secrets or credentials](#authenticate-with-a-shared-secret-or-credentials), or to [authenticate with client certificates](#authenticate-with-client-certificates).
-
+In this article, you learn how to load test applications with Azure Load Testing Preview that require authentication. Azure Load Testing enables you to [authenticate with endpoints by using shared secrets or credentials](#authenticate-with-a-shared-secret-or-credentials), or to [authenticate with client certificates](#authenticate-with-client-certificates).
 
 > [!IMPORTANT]
 > Azure Load Testing is currently in preview. For legal terms that apply to Azure features that are in beta, in preview, or otherwise not yet released into general availability, see the [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/).