Update README.adoc with a better message
Update README.adoc with a better message

Co-authored-by: Mark Waite <139b5d1fe0e58763c95ffde6986245b6c7f5ec89@gmail.com>
MarkEWaite/git-plugin,jenkinsci/git-plugin,jenkinsci/git-plugin,jenkinsci/git-plugin,martinda/git-plugin,martinda/git-plugin,MarkEWaite/git-plugin,MarkEWaite/git-plugin,MarkEWaite/git-plugin,jenkinsci/git-plugin,martinda/git-plugin