trivial: 2 wording change

Author: kay-kim

source/reference/command/geoNear.txt

@@ -64,7 +64,8 @@ To query a :doc:`2d </core/2d>` index, use:
 Example
 -------
 
-The following runs the :dbcommand:`geoNear` command on the collection ``places``:
+The following example runs the :dbcommand:`geoNear` command on the
+collection ``places``:
 
 .. code-block:: javascript
 
@@ -73,7 +74,7 @@ The following runs the :dbcommand:`geoNear` command on the collection ``places``
                              coordinates : [ -74.00, 40.00 ] },
                     spherical : true } )
 
-This operation returns the following output:
+The operation returns the following output:
 
 .. code-block:: javascript