CORD-3105 update cord-kafka service name in python example

Change-Id: I89cc2cbabe43a198d8d7c1f51807e7a25478dfaa
diff --git a/docs/simple-example-service.md b/docs/simple-example-service.md
index 22e815b..57bd54a 100644
--- a/docs/simple-example-service.md
+++ b/docs/simple-example-service.md
@@ -132,7 +132,7 @@
 ```python
 import json
 from kafka import KafkaProducer
-producer = KafkaProducer(bootstrap_servers="cord-kafka-kafka")
+producer = KafkaProducer(bootstrap_servers="cord-kafka")
 producer.send("SimpleExampleEvent", json.dumps({"service_instance": "My Simple Example Service Instance", "tenant_message": "Earth"}))
 producer.flush()
 ```