zulip/templates/registration/password_reset_email.txt

Psst. Word on the street is that you forgot your password, {{ email}}.

It's all good. Follow the link below and we'll take care of the rest:
    <{{ protocol}}://{{ domain }}{% url django.contrib.auth.views.password_reset_confirm uidb36=uid token=token %}>

Thanks,
Your friends at Humbug HQ