tweak meta

Author: kay-kim

source/introduction.txt

@@ -79,11 +79,13 @@ functionality:
 
 - :ref:`Sharding <sharding-introduction>` distributes data across a
   cluster of machines.
-  
-- MongoDB 3.4 supports creating :ref:`zones <zone-sharding>` of data based on
-  the :term:`shard key`. In a balanced cluster, MongoDB directs reads and
-  writes covered by a zone only to those shards inside the zone. See the
-  :ref:`zone-sharding` manual page for more information.
+
+- Starting in 3.4, MongoDB supports creating :ref:`zones
+  <zone-sharding>` of data based on the :term:`shard key`. In a
+  balanced cluster, MongoDB directs reads and writes covered by a zone
+  only to those shards inside the zone. See the :ref:`zone-sharding`
+  manual page for more information.
+
 
 Support for Multiple Storage Engines
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

source/tutorial/insert-documents.txt

@@ -11,7 +11,7 @@ Insert Documents
 
 .. meta::
    :description: Insert documents using MongoDB. Creates collection upon first insert.
-   :keywords: insert documents, create documents, insert into collection, create collection, MongoDB 3.4, version 3.4
+   :keywords: insert documents, create documents, insert into collection, create collection
 
 This page provides examples of insert operations in MongoDB.