Fix typo in cli help
Fix typo in cli help

elwayman02/ember-cli-release,greyhwndz/ember-cli-release,lytics/ember-cli-release,lytics/ember-cli-release,greyhwndz/ember-cli-release,mmun/ember-cli-release,sivakumar-kailasam/ember-cli-release,elwayman02/ember-cli-release,mmun/ember-cli-release,sivakumar-kailasam/ember-cli-release