Update doc/source/operations/control-plane-operation.rst

Co-authored-by: Matt Crees <[email protected]>

Author: Alex-Welsh

doc/source/operations/control-plane-operation.rst

@@ -184,7 +184,7 @@ Ceph
 
    * CephFS mounts.
 
-   * Ceph-backed OpenStack services such as Glance, Cinder, and RGW/S3/Swift.
+   * Ceph-backed OpenStack services such as Glance, Cinder, Manila, and RGW/S3/Swift.
 
 #. Set the ``noout`` flag, so that the cluster does not attempt to redistribute
    data when OSDs go down. Use the following command on a MON node: