Update index.rst by making minor grammar improvements. This file was
long overdue for a backport to Reef, Quincy, and Pacific, so this commit
was a good way to pass a human eyeball over the text before making those
backports.
Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit
82d748ff590cfd31fefddc094b10622d090b054f)
Installing Ceph
===============
-There are multiple ways to install Ceph. Choose the method that best suits
-your needs.
+There are multiple ways to install Ceph.
Recommended methods
~~~~~~~~~~~~~~~~~~~