Update docs

[ci skip]

lib/mobility/attributes.rb

@@ -19,7 +19,7 @@ module Mobility
 
   Attributes.new(:accessor, ["title"], backend: :my_backend, locale_accessors: [:en, :ja], cache: true, fallbacks: true)
 
-will generate an anonymous module looking something like this:
+will generate an anonymous module that behaves like this:
 
   Module.new do
     def title_backend
@@ -70,9 +70,9 @@ def title_ja=(value)
     # End Locale Accessors
   end
 
-Including this module into a model class will then add the backend method, the
+Including this module into a model class will thus add the backend method, the
 reader, writer and presence methods, and the locale accessor so the model
-class.
+class. (These methods are in fact added to the model in an +included+ hook.)
 
 ==Setting up the Model Class
 

lib/mobility/backends/active_record/column.rb

@@ -16,9 +16,6 @@ module Backends
 +I18n.available_locales+. (The generator can be run again to add new attributes
 or locales.)
 
-@note This backend disables the +locale_accessors+ option, which would
-  otherwise interfere with column methods.
-
 @example
   class Post < ActiveRecord::Base
     translates :title, backend: :column

lib/mobility/backends/sequel/column.rb

@@ -7,8 +7,6 @@ module Backends
 
 Implements the {Mobility::Backends::Column} backend for Sequel models.
 
-@note This backend disables the +locale_accessors+ option, which would
-  otherwise interfere with column methods.
 =end
     class Sequel::Column
       include Sequel