diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index 90919bc..88ec83e 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -93,6 +93,8 @@ class AnnouncementsController < ApplicationController
         "status-head" => t('announcement.table.status'),
         "subtitle-head" => t('announcement.table.sub_title'),
         "category-head" => t('announcement.table.category'),
+        "link-head" => t('announcement.table.link'),
+        "file-head" => t('announcement.table.file')
         "read_more" => "/#{I18n.locale.to_s + page.url}"
       }
     }