* Keep them concise (~50 chars) for rendering on index pages
* Adjust them for clarity and accuracy
* Add descriptions to pages that were missing them
Signed-off-by: Nic Cope <nicc@rk0n.org>
Change from plain code block to console with disabled line numbers and copy
functionality per docs engineer feedback. Improves visual presentation of the
cron schedule diagram.
Signed-off-by: Nic Cope <nicc@rk0n.org>