Update wording on rake task feature file

features/rake_tasks.feature

@@ -5,7 +5,7 @@ Feature: Rake tasks
     And I run a rails generator to generate a "User" scaffold with "name:string"
     And I run a paperclip generator to add a paperclip "attachment" to the "User" model
     And I run a migration
-    And I prepare my old Rails application for rake task
+    And I add the paperclip rake task to a Rails 2.3 application
     And I add this snippet to the User model:
       """
       has_attached_file :attachment, :path => ":rails_root/public/system/:attachment/:style/:filename"

features/step_definitions/rails_steps.rb

@@ -113,7 +113,7 @@ Given /^I update my application to use Bundler$/ do
   end
 end
 
-Given /^I prepare my old Rails application for rake task$/ do
+Given /^I add the paperclip rake task to a Rails 2.3 application$/ do
   if framework_version?("2.3")
     require 'fileutils'
     source = File.expand_path('lib/tasks/paperclip.rake')