Added full-stop at the end of a sentence
Added full-stop at the end of a sentence

The instructions for creating an org manager was missing a full
stop at the end. Added one as I needed a small change to do a
signed merge having accidentally pressed the big green merge
button in Github.

jimconner/paas-cf,alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,jimconner/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf