[Checkins] [zopefoundation/Zope] d20aef: Fix formatting (#768)

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: d20aefebb3aa8d453795f60c53288002a91637f9
      https://github.com/zopefoundation/Zope/commit/d20aefebb3aa8d453795f60c53288002a91637f9
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-01-28 (Tue, 28 Jan 2020)

  Changed paths:
    M docs/zdgbook/Security.rst

  Log Message:
  -----------
  Fix formatting (#768)