The positions of two words are interchanged:
scans each cluster in the host ----> scans each host in the cluster
Signed-off-by: "Wang,Fei" <wf.ab@126.com>
List Devices
============
-``ceph-volume`` scans each cluster in the host from time to time in order
+``ceph-volume`` scans each host in the cluster from time to time in order
to determine which devices are present and whether they are eligible to be
used as OSDs.