fix replica set deployment wording (#2197) (#2206)

Author: davidhou17

source/includes/considerations-deploying-replica-set.rst

@@ -1,10 +1,11 @@
 Architecture
 ~~~~~~~~~~~~
 
-In production, deploy each member of the replica set to its own machine
-and if possible bind to the standard MongoDB port of ``27017``. 
+In production, deploy each member of the replica set to its own machine.
+If possible, ensure that MongoDB listens on the default port of 
+``27017``.
 
-See :doc:`/core/replica-set-architectures` for more information.
+For more information, see :doc:`/core/replica-set-architectures`.
 
 Hostnames
 ~~~~~~~~~