redoing feedback that got merged out

Author: gmiller-mdb

source/databases-collection.txt

@@ -74,8 +74,8 @@ Create a Collection
 -------------------
 
 While the Ruby driver for MongoDB does not have a direct ``create_collection`` 
-method, you can use the ``database.command`` method with the create command to 
-create a collection with specific options.
+method, you can use the ``create`` method to create a collection with
+specific options.
 
 The following example creates a collection called example_collection with 
 specific options:
@@ -220,8 +220,8 @@ Local Threshold
 ~~~~~~~~~~~~~~~
 
 If multiple replica set members match the read preference and tag sets you specify,
-{+driver-short+} reads from the nearest replica set members, chosen according to
-their ping time.
+{+driver-short+} reads from the nearest replica set members of sharded clusters, 
+chosen according to their ping time.
 
 By default, the driver uses only those members whose ping times are within 15 milliseconds
 of the nearest member for queries. To distribute reads between members with

source/includes/usage-examples/databases-collection.rb

@@ -21,7 +21,7 @@
   # start-create-collection
   database = client.database
 
-  database.command(create: 'example_collection', capped: true, size: 1024)
+  ddatabase[:example_collection].create(capped: true, size: 1024)
   # end-create-collection
 
   # start-get-list