Dynamic inventory: correct the inline commentary
Dynamic inventory: correct the inline commentary

Clarifying that YAML files are being loaded, not JSON

Change-Id: Ia0fa639cef1277b4593c79dbb1383d2036a7f3fa

bunchc/openstack-ansible,weezer/openstack-ansible,bunchc/openstack-ansible,BjoernT/os-ansible-deployment,cfarquhar/openstack-ansible,Logan2211/openstack-ansible,BjoernT/openstack-ansible,weezer/openstack-ansible,robb-romans/openstack-ansible,openstack/openstack-ansible,yanyao/newton,mrda/openstack-ansible,yanyao/newton,yanyao/openstack-ansible,cfarquhar/openstack-ansible,BjoernT/os-ansible-deployment,mrda/openstack-ansible,stackforge/os-ansible-deployment,BjoernT/os-ansible-deployment,openstack/openstack-ansible,Logan2211/openstack-ansible,mancdaz/openstack-ansible,os-cloud/os-ansible-deployment,mancdaz/openstack-ansible,major/openstack-ansible,yanyao/openstack-ansible,cloudnull/os-ansible-deployment,cloudnull/os-ansible-deployment,robb-romans/openstack-ansible,major/os-ansible-deployment,mrda/openstack-ansible,os-cloud/os-ansible-deployment,BjoernT/openstack-ansible,major/os-ansible-deployment,stackforge/os-ansible-deployment,major/openstack-ansible