DOCS-282: minor edits.

Author: Sam Kleinman

source/tutorial/copy-databases-between-instances.txt

@@ -11,7 +11,9 @@ MongoDB provides the :dbcommand:`copydb` and :dbcommand:`clone`
 :term:`database commands <database command>` to support migrations of
 entire logical databases between :program:`mongod` instances. With
 these commands you can copy data between instances with a simple
-interface without the need for an intermediate stage. 
+interface without the need for an intermediate stage. The
+:method:`db.cloneDatabase()` and :method:`db.copyDatabase()` provide
+helpers for these operations in the :program:`mongod` shell.
 
 Data migrations that require an intermediate stage or that involve
 more than one database instance are beyond the scope of this
@@ -20,9 +22,9 @@ for use cases that resemble the following use cases:
 
 - data migrations,
 
-- data warehousing, and 
+- data warehousing, and
 
-- seeding test environments. 
+- seeding test environments.
 
 Also consider the :doc:`/administration/backups` and
 :doc:`/administration/import-export` documentation for more related
@@ -81,7 +83,7 @@ rename it to ``records`` in the process:
 - Connect to the destination server, running on the
   ``db1.example.net`` host, using the :program:`mongo` shell.
 
-- Model your operation on the following command: 
+- Model your operation on the following command:
 
    .. code-block:: javascript
 
@@ -91,18 +93,18 @@ Rename a Database
 ~~~~~~~~~~~~~~~~~
 
 You can also use :dbcommand:`copydb` or the
-:method:`db.copyDatabase()` helper to: 
+:method:`db.copyDatabase()` helper to:
 
-- rename a database within a single MongoDB instance or 
+- rename a database within a single MongoDB instance or
 
 - create a duplicate database for testing purposes.
 
 Use the following procedure to rename the ``test`` database
-``records`` on a single :program:`mongod` instance: 
+``records`` on a single :program:`mongod` instance:
 
 - Connect to the :program:`mongod` using the :program:`mongo` shell.
 
-- Model your operation on the following command: 
+- Model your operation on the following command:
 
    .. code-block:: javascript
 
@@ -163,9 +165,9 @@ You can use the following procedure to clone a database from the
    .. code-block:: javascript
 
       use records
-      
+
 - Use the following operation to initiate the :dbcommand:`clone`
-  operation: 
+  operation:
 
    .. code-block:: javascript