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 https://github.com/ceph/ceph/pull/62782.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit efc438bd9f5753b42c74bf8f53ff94ebba1d4fb8)

diff --git a/doc/mgr/mds_autoscaler.rst b/doc/mgr/mds_autoscaler.rst
index 46fc4415522483d8970f6894f9a9ffcee59b1992..884e16c0055a340b7467345366c3891f4915165c 100644 (file)
--- a/doc/mgr/mds_autoscaler.rst
+++ b/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.