(DOCSP-32024) Adds CTA to mongodump page (#103)

* (DOCSP-32024) Adds CTA to mongodump page

* Includes tech review feedback

Author: sarahsimpers

source/mongodump.txt

@@ -22,17 +22,18 @@
 .. |tool-binary| replace:: :binary:`~bin.mongodump`
 .. |mongodb-aws-example| replace:: :ref:`mongodump-example-connect-using-aws-iam`
 
-Synopsis
---------
-
 :binary:`~bin.mongodump` is a utility that creates a binary export of
-a database's contents.
-
-:binary:`~bin.mongodump` can export data from:
+a database's contents. :binary:`~bin.mongodump` can export data from:
 
 - Standalone deployments
 - Replica sets
 - Sharded clusters
+- :atlas:`Serverless instances 
+  </create-database-deployment/#serverless-instances>`
+
+.. |tool-command| replace:: :binary:`~bin.mongodump`
+
+.. include:: /includes/fact-migrate-atlas.rst
 
 :binary:`~bin.mongodump` can connect to :binary:`~bin.mongod` and
 :binary:`~bin.mongos` instances.
@@ -44,9 +45,7 @@ a database's contents.
    :binary:`~bin.mongorestore`, which allows you to import data that was
    exported from :binary:`~bin.mongodump`.
 
-.. note::
-
-   .. include:: /includes/fact-online-archive-callout.rst
+.. include:: /includes/fact-online-archive-callout.rst
 
 Versioning
 ~~~~~~~~~~