[GRASS-git] [OSGeo/grass-website] bb1d3b: Fix a few typos (#341)

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: bb1d3be49c69c08ef6754eb9215754f89fd31989
      https://github.com/OSGeo/grass-website/commit/bb1d3be49c69c08ef6754eb9215754f89fd31989
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2022-11-12 (Sat, 12 Nov 2022)

  Changed paths:
    M content/about/community.md
    M content/about/history.md
    M content/learn/tryonline.md

  Log Message:
  -----------
  Fix a few typos (#341)

"Trivial" PR, typos identified with `grass_main/utils/fix_typos.sh` script.

Note: Those in older press releases have been ignored on purpose.

(https://github.com/OSGeo/grass/blob/main/utils/fix_typos.sh)