Fix trivial formatting error in README
Fix trivial formatting error in README

martinda/git-plugin,MarkEWaite/git-plugin,martinda/git-plugin,jenkinsci/git-plugin,martinda/git-plugin,MarkEWaite/git-plugin,jenkinsci/git-plugin,jenkinsci/git-plugin,jenkinsci/git-plugin,MarkEWaite/git-plugin,MarkEWaite/git-plugin