doc/cephadm: improve "Upgrading Ceph" (main)

This PR makes a couple of minor improvements to the text under the
top-level section "Upgrading Ceph" in the "Upgrading Ceph" chapter of
the cephadm documentation.

This one, mercifully, contains only a couple of changes.

Signed-off-by: Zac Dover <zac.dover@gmail.com>

diff --git a/doc/cephadm/upgrade.rst b/doc/cephadm/upgrade.rst
index 8b6023e82ad5e16a88aa7f8b23857ef9370d8bb8..c1bbff7e413e7e7d314d5025834f1b13e7dd9f6c 100644 (file)
--- a/doc/cephadm/upgrade.rst
+++ b/doc/cephadm/upgrade.rst
@@ -2,9 +2,9 @@
 Upgrading Ceph
 ==============
 
-Cephadm is capable of safely upgrading Ceph from one bugfix release to
-another.  For example, you can upgrade from v15.2.0 (the first Octopus
-release) to the next point release v15.2.1.
+Cephadm can safely upgrade Ceph from one bugfix release to the next.  For
+example, you can upgrade from v15.2.0 (the first Octopus release) to the next
+point release, v15.2.1.
 
 The automated upgrade process follows Ceph best practices.  For example:
 
@@ -13,7 +13,7 @@ The automated upgrade process follows Ceph best practices.  For example:
   will remain available.
 
 Keep in mind that the Ceph cluster health status is likely to switch to
-`HEALTH_WARNING` during the upgrade.
+``HEALTH_WARNING`` during the upgrade.
 
 
 Starting the upgrade