You can edit your task within the "Activities".
Edit a Task
- Click on “Activities” to open your activity box.
- Click and select the particular task you need to edit (it's detail window will show-up at the bottom of the activities box).
- Within the Task Tools bar, click on the "Open" button.
- Configure your task according to your preferences and click "Save".
Note: You can edit only those activities you own, all other activities are read-only.