DOCSP-46770-install-with-kafka-update (#203)

* DOCSP-46770-install-with-kafka-update

* change note to impt

* add second sentence

* reword

* active voice

Author: amalhotra-mdb

source/installation/kafka-deployments/install-kafka-cluster.txt

@@ -20,6 +20,13 @@ You can install Relational Migrator on an existing Kafka cluster including
 Kafka Connect. This installation method is ideal if you are already running 
 Kafka or you have your own approach to installing and configuring Kafka.
 
+.. important::
+
+   This guide assumes familiarity with Kafka. This documentation and MongoDB 
+   Support does not provide support for setting up, configuring, or managing 
+   a Kafka cluster.
+
+
 Before you Begin 
 ----------------