Some info in JIRA

[damithc]

You can use crontab guru to help generate your cron syntax and confirm what time it will run. To help you get started, there is also a list of crontab guru examples.

Notifications for scheduled workflows are sent to the user who last modified the cron syntax in the workflow file. For more information, see "Notifications for workflow runs."

[damithc]

Adding a comment with a syntax error.

some 
code here

[damithc]

Adding a note here to see if the digest is triggered.
Adding another sentence, to change the updated time.