DOCS-941 review edits III

Author: Bob Grabar

source/administration/replica-sets.txt

@@ -351,8 +351,9 @@ from another secondary member instead of from the :term:`primary`. This
 might be the case, for example, if a secondary selects its replication
 target based on ping time and if the closest member is another secondary.
 
-Chained replication can reduce load on the primary. But depending on the network
-topology, chained replication can also result in increased replication lag.
+Chained replication can reduce load on the primary. But chained
+replication can also result in increased replication lag, depending on
+the topology of the network.
 
 Beginning with version 2.2.2, you can use the
 :data:`chainingAllowed <local.system.replset.settings.chainingAllowed>`