diff --git a/index.html b/index.html
index 16faf4cf6..f1ee18a5b 100644
--- a/index.html
+++ b/index.html
@@ -76,7 +76,7 @@ public class StreamdemoApplication {
 }
 ```
 
-Make sure Kafka is running when you run the application. You can use the `kafka-console-consumer.sh` utility provided by Kafka to monitor messages sent on the `output` topic.
+Make sure Kafka (0.10.1.x or later) is running when you run the application. You can use the `kafka-console-consumer.sh` utility provided by Kafka to monitor messages sent on the `output` topic.
 
 {% endcapture %}