```ruby
require 'rails/generators'
require 'rails/generators/migration'
require 'rails/generators/active_record/migration'

module PaperTrail
  class InstallGenerator < Rails::Generators::Base
    include Rails::Generators::Migration
    extend ActiveRecord::Generators::Migration

    source_root File.expand_path('../templates', __FILE__)
    class_option :with_changes, :type => :boolean, :default => false, :description => "Storage changeset of objects"

    desc 'Generates (but does not run) a migration to add a versions table.'

    def create_migration_file
      migration_template 'create_versions.rb', 'db/migrate/create_versions.rb'
      migration_template 'add_object_changes_column_to_versions.rb', 'db/migrate/add_object_changes_column_to_versions.rb' if options.with_changes?
    end
  end
end
```

Fix description option and update text.
user
```ruby
require 'rails/generators'
require 'rails/generators/migration'
require 'rails/generators/active_record/migration'

module PaperTrail
  class InstallGenerator < Rails::Generators::Base
    include Rails::Generators::Migration
    extend ActiveRecord::Generators::Migration

    source_root File.expand_path('../templates', __FILE__)
    class_option :with_changes, :type => :boolean, :default => false, :desc => "Store changeset (diff) with each version"

    desc 'Generates (but does not run) a migration to add a versions table.'

    def create_migration_file
      migration_template 'create_versions.rb', 'db/migrate/create_versions.rb'
      migration_template 'add_object_changes_column_to_versions.rb', 'db/migrate/add_object_changes_column_to_versions.rb' if options.with_changes?
    end
  end
end
```
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