DOCSP-15401 Errant Record Reporting (#95)

* added information about errant record reporting

Author: kyuan-mongodb

source/kafka-sink-properties.txt

@@ -355,16 +355,16 @@ You can use the following settings to customize the behavior of the
 Dead Letter Queue Configuration Settings
 ----------------------------------------
 
-Kafka connectors send messages that cannot be processed to the **dead letter
-queue**. The connector sends invalid messages to this queue in order to
-allow manual inspection, updates, and re-submission for processing. It is
-disabled by default and requires restarting the connector for the changes to
-the configuration to take effect.
+Apache Kafka version 2.6 added support for handling errant records that
+cause problems when processing them. The Kafka connector automatically
+sends messages that it cannot process to the **dead letter queue** to
+allow you to inspect them manually, update them, and resubmit them for
+processing. 
 
 The following is an example configuration for enabling the dead letter queue
-topic ``example.deadletterqueue`` that specifies that both the invalid
-message as well as the log file should record invalid messages, and that
-context headers should be included in the dead letter queue messages.
+topic ``example.deadletterqueue``. It specifies for the invalid message
+as well as the log file to record invalid messages, and to include
+context headers in the dead letter queue messages.
 
 .. code-block:: properties