(DOCSP-18848) Migrate Change Stream Content (#173)

Author: biniona-mongodb

source/source-connector/fundamentals/change-streams.txt

@@ -38,28 +38,46 @@ works.
    Change streams are available for replica sets and sharded clusters. A
    standalone MongoDB instance cannot produce a change stream.
 
-For more information on the oplog, see the MongoDB manual entry on the
+To view a list of all configuration options for change streams, see the
+:ref:`<source-configuration-change-stream>` page.
+
+To learn more about change streams, see the following resources:
+
+- :manual:`Change Streams </changeStreams>` in the MongoDB manual
+- `An Introduction to Change Streams <https://www.mongodb.com/blog/post/an-introduction-to-change-streams>`__
+  blog post
+
+To learn more about the oplog, see the MongoDB manual entry on the
 :manual:`Replica Set Oplog </core/replica-set-oplog/>`.
 
-You can use an aggregation pipeline to modify change stream events in one or
-more of the following ways:
+Aggregation
+~~~~~~~~~~~
+
+Use an aggregation pipeline to configure your source connector's change stream.
+Some of the ways you can configure your connector's change stream are as follows:
 
 - Filter change events by operation type
 - Project specific fields
 - Update the value of fields
-- Add additional fields
+- Add fields
 - Trim the amount of data generated by the change stream
 
-For a list of aggregation operators you can use with a change stream, see
-the guide on :manual:`Modify Change Stream Output </changeStreams/#modify-change-stream-output>`
-in the MongoDB manual.
+To learn which aggregation operators you can use with a change stream, see
+the :manual:`Modify Change Stream Output </changeStreams/#modify-change-stream-output>`
+guide in the MongoDB manual.
+
+To view examples that use an aggregation pipeline to modify a change stream,
+see the following pages:
+
+- :ref:`<source-usage-example-custom-pipeline>` Usage Example
+- :ref:`<source-usage-example-copy-existing-data>` Usage Example
 
 .. _source-connector-fundamentals-change-event:
 
 Change Event Structure
 ~~~~~~~~~~~~~~~~~~~~~~
 
-You can find the complete structure of change event documents, including
+Find the complete structure of change event documents, including
 descriptions of all fields,
 :ref:`in the MongoDB manual <change-stream-output>`.