initialization.md in rails-4.0.4.rc1

- old
+ new

@@ -49,11 +49,11 @@
 
 ```ruby
 # Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' if File.exists?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
 ```
 
 In a standard Rails application, there's a `Gemfile` which declares all
 dependencies of the application. `config/boot.rb` sets
 `ENV['BUNDLE_GEMFILE']` to the location of this file. If the Gemfile
@@ -115,10 +115,10 @@
 ```ruby
 when 'server'
   # Change to the application's path if there is no config.ru file in current dir.
   # This allows us to run `rails server` from other directories, but still get
   # the main config.ru and properly set the tmp directory.
-  Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exists?(File.expand_path("config.ru"))
+  Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exist?(File.expand_path("config.ru"))
 
   require 'rails/commands/server'
   Rails::Server.new.tap do |server|
     # We need to require application after the server sets environment,
     # otherwise the --environment option given to the server won't propagate.