DOCS-10863: Improve documentation on use of reserved words in MongoDB shell

Author: stennie

source/mongo.txt

@@ -116,22 +116,22 @@ the :method:`~db.collection.insertOne()` operation:
    db.myCollection.insertOne( { x: 1 } );
 
 The :method:`db.myCollection.insertOne() <db.collection.insertOne()>` is one
-of the :doc:`methods available in the mongo shell </reference/method>`
+of the :doc:`methods available in the mongo shell </reference/method>`.
 
 - ``db`` refers to the current database.
 
 - ``myCollection`` is the name of the collection.
 
-If the :program:`mongo` shell does not accept the name of the
-collection, for instance if the name contains a space, hyphen, or
-starts with a number, you can use an alternate syntax to refer to the
-collection, as in the following:
+If the :program:`mongo` shell does not accept the name of a collection,
+you can use the alternative :method:`db.getCollection()` syntax.
+For instance, if a collection name contains a space or hyphen, starts
+with a number, or conflicts with a built-in function:
 
 .. code-block:: javascript
 
-   db["3test"].find()
-
-   db.getCollection("3test").find()
+   db.getCollection("3 test").find()
+   db.getCollection("3-test").find()
+   db.getCollection("stats").find()
 
 .. include:: /includes/fact-mongo-prompt-size.rst