diff --git a/lib/generators/rating/install_generator.rb b/lib/generators/rating/install_generator.rb
index 5332239..84930b3 100644
--- a/lib/generators/rating/install_generator.rb
+++ b/lib/generators/rating/install_generator.rb
@@ -4,12 +4,16 @@ module Rating
   class InstallGenerator < Rails::Generators::Base
     source_root File.expand_path('../templates', __FILE__)
 
-    desc 'configure Rating'
+    desc 'creates Rating migration'
 
     def create_migration
-      version = Time.current.strftime('%Y%m%d%H%M%S')
+      template 'db/migrate/create_rating_tables.rb', "db/migrate/#{timestamp}_create_rating_tables.rb"
+    end
 
-      template 'db/migrate/create_rating_tables.rb', "db/migrate/#{version}_create_rating_tables.rb"
+    private
+
+    def timestamp
+      Time.current.strftime '%Y%m%d%H%M%S'
     end
   end
 end