diff --git a/config/routes.rb b/config/routes.rb
index 5d523390..ff8d4137 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -2658,6 +2658,7 @@ RedmineApp::Application.routes.draw do ## oauth相关
 
   resource :sso, only: [:show, :create]
 
+  # library
   resources :libraries do
     get :publish_success, on: :collection
   end