DOCS-5340: for 3.0.5, mongodump reads from primary

Author: kay-kim

source/reference/program/mongodump.txt

@@ -31,10 +31,11 @@ Behavior
 
 .. include:: /includes/warning-mongodump-compatibility-2.2.rst
 
-When running :program:`mongodump` against a :program:`mongos` instance
-where the :term:`sharded cluster` consists of :term:`replica sets <replica
-set>`, the :term:`read preference` of the operation will prefer reads
-from :term:`secondary` members of the set.
+.. versionchanged:: 3.0.5
+
+   For a sharded cluster where the shards are replica sets,
+   :program:`mongodump`, when run against the :program:`mongos`
+   instance, no longer prefers reads from secondary members.
 
 .. include:: /includes/warning-fsync-lock-mongodump.rst