Hardware Security Modules (HSM) link broken

[Balint Uveges]

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [x] This doc is inaccurate in this way: The link leading to the HSM related Wikipedia article is broken. It should be https://en.wikipedia.org/wiki/Hardware_security_module, without the / (slash) at the end.
- [ ] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

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-----------------------------------
Release: on 2018-02-16 15:32
SHA: 0c215710899610b0c03d9f0e8b8715f002a5c912
Source: https://git.openstack.org/cgit/openstack/security-doc/tree/security-guide/source/secrets-management.rst
URL: https://docs.openstack.org/security-guide/secrets-management.html

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/549953
Committed: https://git.openstack.org/cgit/openstack/security-doc/commit/?id=2d3bd0293af06ce4f597e1a5aa80176c2c9e5901
Submitter: Zuul
Branch: master

commit 2d3bd0293af06ce4f597e1a5aa80176c2c9e5901
Author: Jeremy Liu <email address hidden>
Date: Tue Mar 6 14:45:09 2018 +0800

    Fix Hardware Security Modules (HSM) link broken

    Change-Id: Iaf43b2be169f30657116c44030d6d4bbf9c28552
    Closes-bug: #1750587