zcash-grant-system/backend/grant/templates/emails/team_invite.txt

You’ve been invited by {{ args.inviter.display_name }} to join the team for
{{ args.proposal.title or 'Untitled Project' }}, a project on {{ UI.NAME }}! If
you want to accept the invitation, continue to the URL below.

{{ args.invite_url }}

{% if not args.user %}
It looks like you don't yet have a {{ UI.NAME }} account, so you'll need to sign
up first before you can join the team.
{% endif %}