You can update your listing description by clicking the black button “Update your listing” at the bottom of the page. There are many good tips as well on this article in the resource center and you can type right into the search any other topics you need help with. The resource center has loads of useful tips and information as well as technical help on how to navigate your settings and features in the app and on desktop. https://www.airbnb.com/resources/hosting-homes/a/sprucing-up-your-listing-description-13
On the app you can access your listing description by clicking on Menu very right bottom corner> go to your listing>scroll down a little and click on Description
