Fix typo, grammar, and a groovy example
Fix typo, grammar, and a groovy example

biouno/uno-choice-plugin,jenkinsci/active-choices-plugin,jenkinsci/active-choices-plugin,imoutsatsos/uno-choice-plugin,jenkinsci/active-choices-plugin,imoutsatsos/uno-choice-plugin,biouno/uno-choice-plugin,imoutsatsos/uno-choice-plugin,biouno/uno-choice-plugin,imoutsatsos/uno-choice-plugin,jenkinsci/active-choices-plugin,biouno/uno-choice-plugin