Youtube Covid 19 Ad Block

This script is blocking youtube Covid 19 ad.

// ==UserScript==
// @name        Youtube Covid 19 Ad Block
// @description This script is blocking youtube Covid 19 ad.
// @namespace   https://www.youtube.com/*
// @match       https://www.youtube.com/*
// @version     0.0.1
// @grant       none
// ==/UserScript==
document.getElementById('clarify-box').style.display = 'none';