In order to edit your trivago Hotel Profile's content, simply select the property on the dropdown menu on the upper area of the page and click on "Hotel Information" at the top navigation menu.
Then select from the left navigation the specific area for which you wish to edit, e.g. Basic Details.
To successfully update your profile remember to click on the "Save" button at the bottom of each page.
Also note that each alteration made will be verified by trivago before being displayed online. This process can take up to 7 working days.
To learn how to do it, please check this tutorial. Press the button to start!