Retrospring/config/locales/activerecord.en.yml

en:
  activerecord:
    models:
      announcement:
        one: "Announcement"
        other: "Announcements"
    attributes:
      announcement:
        content: "Content"
        link_href: "Link URL"
        link_text: "Link text"
        starts_at: "Start time"
        ends_at: "End time"