generic message for max_per_day setting

app/models/direct_message.rb

@@ -15,7 +15,7 @@ class DirectMessage < ActiveRecord::Base
     max = Setting[:direct_message_max_per_day]
 
     if sender.direct_messages_sent.today.count >= max.to_i
-      errors.add(:title, I18n.t('activerecord.errors.models.direct_message.attributes.max_per_day.invalid', max: max))
+      errors.add(:title, I18n.t('activerecord.errors.models.direct_message.attributes.max_per_day.invalid'))
     end
   end
 

config/locales/activerecord.en.yml

@@ -81,7 +81,7 @@ en:
         direct_message:
           attributes:
             max_per_day:
-              invalid: "You can only send a maximum of %{max} direct messages per day"
+              invalid: "You have reached the maximum number of private messages per day"
         proposal:
           attributes:
             tag_list:

config/locales/activerecord.es.yml

@@ -81,7 +81,7 @@ es:
         direct_message:
           attributes:
             max_per_day:
-              invalid: "Sólo puedes enviar %{max} mensajes directos por día"
+              invalid: "Has llegado al número máximo de mensajes privados por día"
         proposal:
           attributes:
             tag_list:

spec/features/direct_messages_spec.rb

@@ -113,7 +113,7 @@ feature 'Direct messages' do
       fill_in 'direct_message_body',  with: "How are you doing?"
       click_button "Send message"
 
-      expect(page).to have_content "You can only send a maximum of 3 direct messages per day"
+      expect(page).to have_content "You have reached the maximum number of private messages per day"
       expect(page).to_not have_content "You message has been sent successfully."
     end