You've learned how to create a task, however you wish to modify something in the task. No worries, this article will help you.
Edit a Task
First, select the topic where the task is located, in the task list, select the task you wish to edit.
Click the edit icon.
Edit task pop-up will be displayed, you may now edit / modify anything and click Save when you're done.
Congrats! You have successfully edited the task.