Expand description of the wrappers applied when the user interacts with the tweak GUI
    
    Based on the JShelter UX review (https://lists.nongnu.org/archive/html/js-shield/2023-01/pdfCi7H0vUsN_.pdf). Users can see the value of the explanation while in the process of deciding what protection to apply.
    
    This fixes https://pagure.io/JShelter/webextension/issue/95