(DOCSP-32345) Adds Atlas CTA to convert standalone page (#4769) (#4791)

Author: sarahsimpers

source/tutorial/convert-standalone-to-replica-set.txt

@@ -12,9 +12,12 @@ This tutorial describes the process for converting a :term:`standalone`
 standalone instances for testing and development, but always use
 replica sets in production.
 
-To deploy a replica set without using a pre-existing
-:binary:`~bin.mongod` instance, see :doc:`/tutorial/deploy-replica-set`
-instead.
+You can easily migrate from a standalone server
+to a `MongoDB Atlas <https://www.mongodb.com/docs/atlas>`__ cluster.
+MongoDB Atlas is the fully managed service for MongoDB deployments in
+the cloud. To learn more, see `Migrate or Import Data 
+<https://www.mongodb.com/docs/atlas/import/>`__ in the {+atlas+}
+documentation.
 
 To install a standalone instance, see the :ref:`installation tutorials
 <tutorials-installation>`.