Update sdk/batch/Azure.Compute.Batch/README.md

Co-authored-by: Jesse Squire <[email protected]>

sdk/batch/Azure.Compute.Batch/README.md

@@ -53,7 +53,7 @@ We guarantee that all client instance methods are thread-safe and independent of
 [Long-running operations](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/README.md#consuming-long-running-operations-using-operationt) |
 [Handling failures](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/README.md#reporting-errors-requestfailedexception) |
 [Diagnostics](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/samples/Diagnostics.md) |
-[Mocking](https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/README.md#mocking) |
+[Mocking](https://learn.microsoft.com/dotnet/azure/sdk/unit-testing-mocking?tabs=csharp) |
 [Client lifetime](https://devblogs.microsoft.com/azure-sdk/lifetime-management-and-thread-safety-guarantees-of-azure-sdk-net-clients/)
 <!-- CLIENT COMMON BAR -->