Updated openstack/openstack
Project: openstack/python-neutronclient  921c07d739838747d9a1403b021325a3e3bc0534

Some edits for help strings

Some edits for neutron help strings as noticed by Lana during review of
this patch:
https://review.openstack.org/#/c/102900/

Change-Id: I4f6cbb3ced85e15c5f4f716aad630090955de31b
Co-Authored-By: Lana Brindley <openstack@lanabrindley.com>