There are two ways to edit the name and description of your mobile assignment.
From within the mobile assignment
Clicking on the mobile assignment on your main course page brings you to the Mobile Assignment Editor. From here, you can click Update in the top right corner to edit the assignment name and description, as well as other features like due dates and grade category.
Click the three dots icon (...) to the right of a mobile activity, then click Edit.
From your main course page
Edit and save changes
After making changes, be sure to click Save and continue or Save and return to course at the bottom of the page to save your changes.
Warning: Please avoid adding images, emoticons (smileys), active links, or other special characters via this interface. They will not render properly in other views, and may cause other unintended consequences.