[GRASS-git] [OSGeo/grass] 86b642: minor grammar fix

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 86b6424d8e0ce7a920c9c145f2323819c773ef7f
      https://github.com/OSGeo/grass/commit/86b6424d8e0ce7a920c9c145f2323819c773ef7f
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-08-10 (Mon, 10 Aug 2020)

  Changed paths:
    M README.md

  Log Message:
  -----------
  minor grammar fix