debianize-mobilizon/lib/web/templates/email/group_invite.text.eex

<%= gettext "Come along!" %>
==
<%= gettext "%{inviter} just invited you to join their group %{group}", group: @group.name, inviter: @inviter.name %>
<%= gettext "To accept this invitation, head over to your groups." %>
<%= page_url(Mobilizon.Web.Endpoint, :my_groups) %>