diff --git a/config/environments/development.rb b/config/environments/development.rb
index c181590a8..054e58352 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -42,6 +42,7 @@ Rails.application.configure do
   config.action_mailer.delivery_method = :smtp
   config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
 
+  # mailcatcher settings https://mailcatcher.me/
   config.action_mailer.smtp_settings = {
     :address => "localhost",
     :port => 1025,