diff --git a/daprdocs/content/en/developing-applications/building-blocks/service-invocation/howto-invoke-discover-services.md b/daprdocs/content/en/developing-applications/building-blocks/service-invocation/howto-invoke-discover-services.md
index 872f130528c..de9f62115e7 100644
--- a/daprdocs/content/en/developing-applications/building-blocks/service-invocation/howto-invoke-discover-services.md
+++ b/daprdocs/content/en/developing-applications/building-blocks/service-invocation/howto-invoke-discover-services.md
@@ -196,8 +196,8 @@ namespace EventService
        static async Task Main(string[] args)
        {
           while(true) {
-               System.Threading.Thread.Sleep(5000);
-               Random random = new Random();
+               await Task.Delay(5000)
+               var random = new Random();
                int orderId = random.Next(1,1000);
 
                //Using Dapr SDK to invoke a method