Subject: [quicwg/base-drafts] 5f3496: Subsequent keys can be used as well as the next

From: Martin Thomson <[email-masked]>
Date: Tue, 05 Jan 2021 22:01:32 -0800

Branch: refs/heads/next-subsequent-potato-tomato
  Home:   https://github.com/quicwg/base-drafts
  Commit: 5f349683dec219a7c8154ccc092edd33ea0681ac
      https://github.com/quicwg/base-drafts/commit/5f349683dec219a7c8154ccc092edd33ea0681ac
  Author: Martin Thomson <[email-masked]>
  Date:   2021-01-06 (Wed, 06 Jan 2021)

  Changed paths:
    M draft-ietf-quic-tls.md

  Log Message:
  -----------
  Subsequent keys can be used as well as the next

This is a little pedantic, but it's more correct.

Also fix reference format.

Closes #4493.