lib/material_design/railtie.rb in material_design-0.6.1 vs lib/material_design/railtie.rb in material_design-0.6.2

@@ -1,11 +1,11 @@
 require "rails/railtie"
 
 module MyGem
-  class Railtie < Rails::Railtie
+  class Railtie < Rails::Railtie  #add uma funcionalidade a um app rails a partir de uma gem
     initializer "material_design.action_controller" do
-      ActiveSupport.on_load(:action_controller_base) do
-        helper MaterialDesign::ButtonHelper
+      ActiveSupport.on_load(:action_controller_base) do #quando a base controller for carregada
+        helper MaterialDesign::ButtonHelper #disponibiliza o helper em todos os arquivos
       end
     end
   end
 end