Fix get_max_over_subscription_ratio docstring
Fix get_max_over_subscription_ratio docstring

TrivialFix

Change-Id: I1fa9e8071fb01f39109915a7bf390e83378c2e01

openstack/cinder,j-griffith/cinder,phenoxim/cinder,mahak/cinder,openstack/cinder,phenoxim/cinder,mahak/cinder,j-griffith/cinder