There are several instances of "Compute Service" and "compute service"
in the upstream documentation. As was recently clarified in the docs
mailing list, these should be "Compute service/s". This patch corrects
all untagged instances inside normal <para> blocks.
Change-Id: Idcd7aafa0ce463e70635cb1c883a2476c1d97b5e
Partial-Bug: #1217503