--- a/intl/l10n/DOMLocalization.jsm
+++ b/intl/l10n/DOMLocalization.jsm
@@ -53,20 +53,22 @@ const LOCALIZABLE_ATTRIBUTES = {
     optgroup: ["label"],
     option: ["label"],
     track: ["label"],
     img: ["alt"],
     textarea: ["placeholder"],
     th: ["abbr"]
   },
   "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": {
+    description: ["value"],
     global: [
       "accesskey", "aria-label", "aria-valuetext", "aria-moz-hint", "label"
     ],
     key: ["key", "keycode"],
+    label: ["value"],
     textbox: ["placeholder"],
     toolbarbutton: ["tooltiptext"],
   }
 };
 
 
 /**
  * Translate an element.