Signing HTTP Messages have 404 link

Hi Web Payments WG:

This document: https://web-payments.org/specs/source/http-signatures/
contains:

The following initial entries should be added to the Signature Algorithm
Registry to be created and maintained at (the suggested URI)
http://www.iana.org/assignments/signature-algorithms:

But the link http://www.iana.org/assignments/signature-algorithms cannot be
open.
Displays the following message:
This page does not exist.

If you believe this page should exist, please let us know by reporting the
problem to iana@iana.org
<https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=iana@iana.org> and we
will investigate a solution.
Hatter