[Kafka] DOCSP-10640: [Kafka] Users can implement their own WriteModelStrategy

Author: steveren

source/kafka-sink-postprocessors.txt

@@ -696,11 +696,10 @@ Create Your Own Custom Write Strategy
 
 If none of the pre-built write strategy models suits your needs, you can
 create your own. A custom write strategy model is a Java class that implements
-``WriteModelStrategy``. Specify your Java class in the 
-``mongodb.writemodel.strategy`` :ref:`configuration setting
-<kafka-sink-properties>`.
+``WriteModelStrategy``.
 
-To create a custom ``WriteModelStrategy``:
+To configure your Sink Connector to use the custom ``WriteModelStrategy``,
+follow the steps below:
 
 1. Create a class that implements the ``WriteModelStrategy`` interface
    and overrides the ``createWriteModel(SinkDocument)`` method.
@@ -711,9 +710,13 @@ To create a custom ``WriteModelStrategy``:
    For more information about plugin paths, see the `Confluent documentation
    <https://docs.confluent.io/current/connect/managing/community.html>`__.
 
+#. Specify your Java class in the ``mongodb.writemodel.strategy``
+   :ref:`configuration setting <kafka-sink-properties>`.
+
 The following is an example of a custom write strategy. It extracts the
 value of ``fullDocument`` from the value document and returns a
-``ReplaceOne`` operation.
+``ReplaceOne`` operation. The ``ReplaceOne`` operation replaces a document
+in the MongoDB collection that matches the ID from the value document.
 
 .. code-block:: java