neutron-fwaas: Fix typos in grafana dashboard
neutron-fwaas: Fix typos in grafana dashboard

Change-Id: I5a5cf28aeb16d21ecc2232e39ff9730f2fa77b57

openstack-infra/project-config,Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config