clarify bit about exit status
clarify bit about exit status

Springerle/cookiecutter,willingc/cookiecutter,stevepiercy/cookiecutter,luzfcb/cookiecutter,willingc/cookiecutter,hackebrot/cookiecutter,michaeljoseph/cookiecutter,michaeljoseph/cookiecutter,pjbull/cookiecutter,audreyr/cookiecutter,stevepiercy/cookiecutter,hackebrot/cookiecutter,terryjbates/cookiecutter,terryjbates/cookiecutter,pjbull/cookiecutter,luzfcb/cookiecutter,audreyr/cookiecutter,Springerle/cookiecutter,dajose/cookiecutter,dajose/cookiecutter