app/templates/emails/change-email.html

{% extends "base.html" %}

{% block content %}
  {{ render_text("Hi " + name + ",") }}
  {{ render_text("You have asked to change your email to <b>"+ new_email +"</b>.") }}
  {{ render_text("Your current email is " + current_email + ".") }}
  {{ render_text("To confirm, please click on the button below or use this link " + link + " within 12 hours.") }}
  {{ render_button("Change email", link) }}
{% endblock %}