Fix broken link in documentation
Fix broken link in documentation

A cross-reference in the install guide was using an old name for
another section "Configuring the network"

Change-Id: I61a840bee5366094151a9898d872acccb88a1fba

Logan2211/openstack-ansible,cfarquhar/openstack-ansible,BjoernT/os-ansible-deployment,mrda/openstack-ansible,weezer/openstack-ansible,cloudnull/os-ansible-deployment,open-switch/infra_openstack-ansible,BjoernT/os-ansible-deployment,yanyao/openstack-deployment-liberty,jpmontez/os-ansible-deployment,mrda/openstack-ansible,git-harry/os-ansible-deployment,robb-romans/openstack-ansible,major/os-ansible-deployment,BjoernT/openstack-ansible,jpmontez/os-ansible-deployment,jpmontez/openstack-ansible,yanyao/newton,major/openstack-ansible,BjoernT/openstack-ansible,mrda/openstack-ansible,robb-romans/openstack-ansible,yanyao/openstack-ansible,open-switch/infra_openstack-ansible,major/openstack-ansible,git-harry/os-ansible-deployment,yanyao/openstack-deployment-liberty,Logan2211/openstack-ansible,major/os-ansible-deployment,jpmontez/os-ansible-deployment,cloudnull/os-ansible-deployment,yanyao/newton,bunchc/openstack-ansible,bunchc/openstack-ansible,jpmontez/openstack-ansible,stackforge/os-ansible-deployment,jpmontez/openstack-ansible,git-harry/os-ansible-deployment,weezer/openstack-ansible,os-cloud/os-ansible-deployment,stackforge/os-ansible-deployment,BjoernT/os-ansible-deployment,openstack/openstack-ansible,os-cloud/os-ansible-deployment,open-switch/infra_openstack-ansible,yanyao/openstack-deployment-liberty,cfarquhar/openstack-ansible,mancdaz/openstack-ansible,openstack/openstack-ansible,mancdaz/openstack-ansible,yanyao/openstack-ansible