doc/mgr: edit mds_autoscaler.rst

Edit mds_autoscaler.rst. Improve the English where necessary.

This is part of a project to separate out the twenty-five files that
were committed to ceph#62782.

Signed-off-by: Zac Dover <[email protected]>

Author: zdover23

doc/mgr/mds_autoscaler.rst

@@ -1,23 +1,24 @@
 MDS Autoscaler Module
 =====================
 
-The MDS Autoscaler Module monitors file systems to ensure sufficient MDS
+The MDS Autoscaler Module monitors file systems to ensure that sufficient MDS
 daemons are available. It works by adjusting the placement specification for
 the orchestrator backend of the MDS service. To enable, use:
 
-.. sh:
+.. prompt:: bash #
 
    ceph mgr module enable mds_autoscaler
 
-The module will monitor the following file system settings to inform
-placement count adjustments:
+The module monitors the following file-system settings to inform placement-
+count adjustments:
 
 - ``max_mds`` file system setting
 - ``standby_count_wanted`` file system setting
 
-The Ceph monitor daemons are still responsible for promoting or stopping MDS
+The Ceph monitor daemons remain responsible for promoting or stopping MDS
 according to these settings. The ``mds_autoscaler`` simply adjusts the
-number of MDS which are spawned by the orchestrator.
+number of MDS daemons spawned by the orchestrator.
 
-.. note: There is no CLI or module configurations as of now. Enable or disable
-   the module to turn on or off.
+.. note: There is no CLI as of the Tentacle release. There are no module
+   configurations as of the Tentacle release. Enable or disable the module to
+   turn the functionality on or off.