[Checkins] [zopefoundation/Zope] 7f880e: Fix typo.

[Michael Howitz]

  Branch: refs/heads/support-python3.9
  Home:   https://github.com/zopefoundation/Zope
  Commit: 7f880e1be007b2e60350b0678076fecd91581310
      https://github.com/zopefoundation/Zope/commit/7f880e1be007b2e60350b0678076fecd91581310
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-08 (Thu, 08 Oct 2020)

  Changed paths:
    M docs/migrations/zope5.rst

  Log Message:
  -----------
  Fix typo.

[skip ci]