The Notes field in a checklist lets you add more information about the task. You can also add links to online resources that the person who's assigned the task can use for reference.
NOTES:
The maximum number of characters that can be entered for this field is 1000.
If two users are updating the notes for a task simultaneously, the latest update is considered.
Scroll to the desired task and select Notes.
Enter the text. Press Enter/Return to add multiple lines of text.
Select the text and use the following formatting options displayed in a toolbar above the text:
Bold
Italics
Underline
Strikethrough
Link highlighted text
Bullet list
Ordered list
Checklist
(Optional) Press Command+Z (Mac) or Ctrl+Z (Windows) to undo the last action. Press Command+Shift+Z (Mac) or Ctrl+Y (Windows) to redo the last action you undid.
(Optional) Cut, paste, copy text: Use the following shortcuts while updating text fields (copy, duplicate, move, and remove text):
Copy: Command+C (Mac) or Ctrl+C (Windows)
Cut: Command+X (Mac) or Ctrl+X (Windows)
Paste: Command+V (Mac) or Ctrl+V (Windows)
(Optional) Select the formatted text and then select an applied formatting option from the toolbar to remove it.