Update _index.md (#30937)

Author: cswatt

content/en/data_streams/_index.md

@@ -52,7 +52,7 @@ Data Streams Monitoring instruments Kafka _clients_ (consumers/producers). If yo
 
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-| Apache Kafka | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} |
+| Apache Kafka <br/>(self-hosted, Amazon MSK, Confluent Cloud, or any other hosting platform) | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} |
 | Amazon Kinesis | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} | |
 | Amazon SNS | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} | |
 | Amazon SQS | {{< X >}} | {{< X >}} | {{< X >}} | {{< X >}} | |