diff --git a/Instructions/Labs/AZ-204_10_lab_ak.md b/Instructions/Labs/AZ-204_10_lab_ak.md
index 5d8340e38..23d74fc79 100644
--- a/Instructions/Labs/AZ-204_10_lab_ak.md
+++ b/Instructions/Labs/AZ-204_10_lab_ak.md
@@ -365,7 +365,7 @@ In this exercise, you created a new subscription, validated its registration, an
 
     public class Program
     {
-        private const string topicEndpoint = <topic-endpoint>";
+        private const string topicEndpoint = "<topic-endpoint>";
         private const string topicKey = "<topic-key>";
         
         public static async Task Main(string[] args)