Merge pull request #126 from rachel-mack/DOCSP-46399

[Ruby] Format Issue on Ruby v2.21 Create a Client Page

Author: rachel-mack

source/reference/create-client.txt

@@ -10,12 +10,12 @@ Creating a Client
    :depth: 2
    :class: singlecol
 
-Using ``Mongo::Client``
-=======================
+Using Mongo::Client
+===================
 
 To connect to a MongoDB deployment, create a ``Mongo::Client`` object.
 Provide a list of hosts and options or a :manual:`connection string URI
-</reference/connection-string/>` to the``Mongo::Client`` constructor.
+</reference/connection-string/>` to the ``Mongo::Client`` constructor.
 The client's selected database defaults to ``admin``.
 
 By default, the driver will automatically detect the topology used by the