Hover over the "Add more details..." Description field.
An edit icon 
will appear.
Click on the field to add text.
To apply the changes, click outside the Description field or
click the save icon 
.
This action is only possible for people with moderator or contributor role.
If a task list owner robot is set for the current list, then only task list owners may be able to perform the described actions.
In the task details, you can add a task description:
Hover over the "Add more details..." Description field.
An edit icon will appear.
Click on the field to add text.
To apply the changes, click outside the Description field or
click the save icon .
You have different formatting options available:
Format the text bold (
),
italic (
), underlined (
),
or strikethrough (
)
Clear the formatting (
)
Insert a link (
)
Insert a bullet list (
)
or numbered list (
)
Format your description using headings, subheadings or normal settings.
To start writing in a new row, simply press Enter. If the description is more than 7 rows long upon saving, click the SHOW MORE button to expand and see the full description.