Update private-preview-unmixed-audio-recording-server-csharp.md

Author: dbasantes

articles/communication-services/quickstarts/voice-video-calling/includes/call-recording-samples/private-preview-unmixed-audio-recording-server-csharp.md

@@ -18,7 +18,7 @@ Before you start testing Unmixed Audio recording, make sure you complete the fol
 - You need a Call in place whether is using Calling Client SDK or Call Automation before you start recording. Review their quickstarts and make sure you follow all their pre-requisites. 
 - Create an Azure account with an active subscription. For details, see [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F). 
 - Create an Azure Communication Services resource. For details, see [Create an Azure Communication Services resource](../../../create-communication-resource.md). You'll need to record your resource **connection string** for this quickstart.
-- Subscribe to events via [Azure Event Grid](https://learn.microsoft.com/en-us/azure/event-grid/event-schema-communication-services).
+- Subscribe to events via [Azure Event Grid](https://learn.microsoft.com/azure/event-grid/event-schema-communication-services).
 - Download the [.NET SDK](https://dev.azure.com/azure-sdk/public/_artifacts/feed/azure-sdk-for-net/NuGet/Azure.Communication.CallingServer/overview/1.0.0-alpha.20220829.1)
 - This quickstart assumes you have some experience using the [Calling Client SDK](../../get-started-with-video-calling.md).  **Important**: To fetch `serverCallId` from Calling SDK, refer to the [JavaScript](../../get-server-call-id.md) example.
 - Make sure to provide the Azure Communication Services Call Recording team with your [immutable Azure resource ID](../../get-resource-id.md) to be allowlisted during the **private preview** tests.