[GRASS-web] [OSGeo/grass-website] 93e805: Fix typos

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: 93e8058facfbb4a0d8ec736a5c627df44b33b94a
      https://github.com/OSGeo/grass-website/commit/93e8058facfbb4a0d8ec736a5c627df44b33b94a
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-04-12 (Sun, 12 Apr 2020)

  Changed paths:
    M content/contribute/development.md

  Log Message:
  -----------
  Fix typos