[GRASS-git] [OSGeo/grass-website] 81bbbe: fix typo in title

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: 81bbbee21d942569d9084115feea40104705bebe
      https://github.com/OSGeo/grass-website/commit/81bbbee21d942569d9084115feea40104705bebe
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-04-15 (Wed, 15 Apr 2020)

  Changed paths:
    M content/contribute/_index.en.md

  Log Message:
  -----------
  fix typo in title