| Index: js/desktop-options.js | 
| =================================================================== | 
| --- a/js/desktop-options.js | 
| +++ b/js/desktop-options.js | 
| @@ -237,8 +237,15 @@ | 
| { | 
| control.setAttribute("aria-checked", item.disabled == false); | 
| if (isAcceptableAds(item.url) && this == collections.filterLists) | 
| +      { | 
| control.disabled = true; | 
| +      } | 
| } | 
| +    getPref("additional_subscriptions", (additionalSubscriptions) => | 
| +    { | 
| +      if (additionalSubscriptions.includes(item.url)) | 
| +        element.classList.add("preconfigured"); | 
| +    }); | 
|  | 
| let lastUpdateElement = element.querySelector(".last-update"); | 
| if (lastUpdateElement) | 
|  |