diff --git a/README.md b/README.md
index 70678e1..c53f71e 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ int main() {
 
     // Produce a message!
     string message = "hey there!";
-    producer.produce(topic, 0 /*partition*/, message);
+    producer.produce(MessageBuilder(topic).partition(0).payload(message));
 }
 ```