added some more documentation

README.md

@@ -2,7 +2,7 @@
 
 Datatables is a nifty jquery plugin that adds the ability to paginate, sort, and search your html tables. When dealing with large tables (more than a couple hundred rows) however, we run into performance issues. These can be fixed by using server-side pagination, but this breaks some datatables functionality.
 
-`ajax-datatables-rails` is a wrapper around datatable's ajax methods that allow synchronization with server-side pagination in a rails app. 
+`ajax-datatables-rails` is a wrapper around datatable's ajax methods that allow synchronization with server-side pagination in a rails app. It was inspired by this (railscast)[http://railscasts.com/episodes/340-datatables]. I needed to implement a similar solution in a couple projects I was working on so I extracted it out into a gem.
 
 ## Installation
 
@@ -38,7 +38,7 @@ end
 
 * For `@searchable_columns`, assign an array of the database columns that you want searchable by datatables. For example `[users.f_name, users.l_name]`
 
-This gives us: 
+This gives us:
 ```ruby
 def initialize(view)
   @model_name = User