How to translate google advertisement label?

CSS temporary hack:

.discourse-adplugin .google-adsense-label>h2 {
    font-size: 0;
}
.discourse-adplugin .google-adsense-label>h2:after {
    content: "Foo bar"; // <--- change to whatever word you want to use instead of ADVERTISEMENT
    font-size: 12px;
}

Before:

After:

Might not cover everything.