It would be extremely useful to have descriptions visible in the automation’s overview.
Or even show as a flyover when pointing with the cursor on the automation.
Optionally showing/hiding as small text below the automation would be most perfect.
Hopefully looking forward 
Hello tomatenkopp,
This appears to be a Frontend Related Feature Request as it is asking for changes to Frontend Menus, Dashboards, or Sections.
These Feature Requests are handled in a different system, and will not be seen by the right people if posted in the HA forums.
Please add your Feature Request into GitHub here:
home-assistant/frontend Other Feature Requests · Discussions · GitHub.
See more info about Feature Requests HERE