diff -r 000000000000 -r 6474c204b198 addon-sdk/source/lib/sdk/l10n/prefs.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/lib/sdk/l10n/prefs.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,42 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const { on } = require("../system/events");
+const core = require("./core");
+const { id: jetpackId} = require('../self');
+
+const OPTIONS_DISPLAYED = "addon-options-displayed";
+
+function onOptionsDisplayed({ subject: document, data: addonId }) {
+  if (addonId !== jetpackId)
+    return;
+  let query = 'setting[data-jetpack-id="' + jetpackId + '"][pref-name], ' +
+              'button[data-jetpack-id="' + jetpackId + '"][pref-name]';
+  let nodes = document.querySelectorAll(query);
+  for (let node of nodes) {
+    let name = node.getAttribute("pref-name");
+    if (node.tagName == "setting") {
+      let desc = core.get(name + "_description");
+      if (desc)
+        node.setAttribute("desc", desc);
+      let title = core.get(name + "_title");
+      if (title)
+        node.setAttribute("title", title);
+
+      for (let item of node.querySelectorAll("menuitem, radio")) {
+          let key = name + "_options." + item.getAttribute("label");
+          let label = core.get(key);
+          if (label)
+            item.setAttribute("label", label);
+      }
+    }
+    else if (node.tagName == "button") {
+      let label = core.get(name + "_label");
+      if (label)
+        node.setAttribute("label", label);
+    }
+  }
+}
+on(OPTIONS_DISPLAYED, onOptionsDisplayed);