Docs: fix error `Unknown target name`
Docs: fix error `Unknown target name`

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ceph-ansible,travmi/ceph-ansible,font/ceph-ansible,ceph/ceph-ansible,jtaleric/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible,jtaleric/ceph-ansible,font/ceph-ansible,fgal/ceph-ansible