gecko/other-licenses/branding/firefox/locales/en-US/brand.dtd

<!ENTITY  brandShortName        "Firefox">
<!ENTITY  brandFullName         "Mozilla Firefox">
<!ENTITY  vendorShortName       "Mozilla">
<!-- LOCALIZATION NOTE (trademarkInfo): note that there is no space between licenseLinkText (and its trailing licenseLinkSuffix entity) and this entity, so if your locale needs a space between sentences, you need to put it at the start of this entity. -->
<!ENTITY  trademarkInfo         " Firefox and the Firefox logos are trademarks of the Mozilla Foundation. Some of the trademarks used under license from The Charlton Company.">