Fix capitalisation typos

Signed-off-by: Sam Kleinman <[email protected]>

Author: michaeltwofish

source/tutorial/write-scripts-for-the-mongo-shell.txt

@@ -90,19 +90,19 @@ This returns the output of :method:`db.getCollectionNames()` using the
 evaluate a javascript file
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-you can specify a ``.js`` file to the :program:`mongo` shell, and
+You can specify a ``.js`` file to the :program:`mongo` shell, and
 :program:`mongo` will evaluate the javascript directly. consider the
 following example:
 
 .. code-block:: sh
 
    mongo localhost:27017/test myjsfile.js
 
-this operation evaluates the ``myjsfile.js`` script in a
+This operation evaluates the ``myjsfile.js`` script in a
 :program:`mongo` shell that connects to the ``test`` :term:`database`
 on the :program:`mongod` instance accessible via the ``localhost``
 interface on port ``27017``.
 
-alternately, you can specify the mongodb connection parameters inside
+Alternately, you can specify the mongodb connection parameters inside
 of the javascript file using the ``Mongo()`` constructor. See
 :ref:`mongo-shell-new-connections` for more information.