Hamburger icon instead of the word "Menu"

Site URL: https://www.thulephoto.is

Hi guys.

I'm trying to build a small porfolio site using Wells. It is in Icelandic so I am trying to get rid of all English in the template. On the mobile version the navigation is a dropdown (I think you would call it) and it's called "Menu". This is of course not going to work. So I would like to exchange that word for the hamburger icon. 

How can I do this? I am on the personal plan but willing to upgrade to the business plan if necessary.

I'm not a coder but still IT savy.

Thanks