[Checkins] [zopefoundation/Zope] cd8672: Fix typo

[Jürgen Gmach]

  Branch: refs/heads/jugmac00-fix-another-typo
  Home:   https://github.com/zopefoundation/Zope
  Commit: cd867296d5fdc61f2581515221d57f158ef94a24
      https://github.com/zopefoundation/Zope/commit/cd867296d5fdc61f2581515221d57f158ef94a24
  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 typo