synapse-product/synapse/res/templates/password_reset.html

{% block title %}Password reset{% endblock %}

{% block body %}
<p>A password reset request has been received for your Matrix account. If this was you, please click the link below to confirm resetting your password:</p>

<a href="{{ link }}">{{ link }}</a>

<p>If this was not you, <strong>do not</strong> click the link above and instead contact your server administrator. Thank you.</p>
{% endblock %}