Merge pull request #6499 from lazylester/patch-1

Clarify and correct the description for the --full option of the 
plugin_new generator. [ci skip]

railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb

@@ -155,7 +155,7 @@ class PluginNewGenerator < AppBase
                                   :desc => "Create dummy application at given path"
 
       class_option :full,         :type => :boolean, :default => false,
-                                  :desc => "Generate rails engine with integration tests"
+                                  :desc => "Generate a rails engine with bundled Rails application for testing"
 
       class_option :mountable,    :type => :boolean, :default => false,
                                   :desc => "Generate mountable isolated application"