DOCSP-17376 Adding context that DWC appies to non-shard replcia sets.

Author: ianf-mongodb

source/includes/fact-set-global-write-concern-before-reconfig.rst

@@ -1,6 +1,6 @@
 Starting in MongoDB 5.0, you must explicitly set the global default
 :ref:`write concern <write-concern>` before attempting to reconfigure a
-:term:`replica set <replica set>` with a 
-:doc:`configuration </reference/replica-configuration>` 
+:ref:`non-sharded <sharded-vs-non-sharded-collections>` :term:`replica set <replica set>` with a
+:doc:`configuration </reference/replica-configuration>`
 that would change the implicit default write concern. To set the global
 default write concern, use the :dbcommand:`setDefaultRWConcern` command.