docs: updating documentation to reflect Kafka compatibility

Co-authored-by: thajinushehin <[email protected]>
Signed-off-by: A S Adil Mohammad <[email protected]>

Author: Adil9645

README.md

@@ -6,7 +6,7 @@ The connector is supplied as source code which you can easily build into a JAR f
 
 **Note**: A sink connector for IBM MQ is also available on [GitHub](https://github.com/ibm-messaging/kafka-connect-mq-sink).
 
-**Compatibility:**: This Connector supports Kafka versions upto 3.9. It is not compatible with Kafka 4.x.
+**Kafka version support:**: This connector supports Kafka versions upto 3.9. It is not compatible with Kafka 4.x.
 
 ## Contents