In Astrid, add notes on a task:

  • By adding a Description:
    • Click the task.
    • Click the Add a description… field.
    • Type in future next steps, in rough order. You might also enter notes about the task (but see Comments, below).
    • Click Save.
    • Others assigned to the task are NOT notified about these changes.

or

  • By adding a Comment:
    • Click the task.
    • Click the Add a comment… field.
    • Type in your comments, notes and other information about the task.
    • Click Post.
    • Others on the task are notified of new Comments.