Lang: Update link to KB for translators (#285)

Author: microbit-mark

editor.html

@@ -367,7 +367,7 @@ <h2><i class="fa fa-unlock-alt"></i> <strong>{{ title }}</strong></h2>
                                 <li><span title="Spanish"><a lang="es" href="#" class="action lang-choice" id="es" tabindex="122">Español</a></span></li>
                                 <li><span title="Polish"><a lang="pl" href="#" class="action lang-choice" id="pl" tabindex="123">Polski</a></span></li>
                             </ul>
-                            <div><a id="add-language-link" class="action" title="Add a language translation to the Editor" href="https://support.microbit.org/solutions/articles/19000106022-translating-the-micro-bit-python-editor" target="_blank" tabindex="124">Add a language</a></div>
+                            <div><a id="add-language-link" class="action" title="Add a language translation to the Editor" href="https://support.microbit.org/support/solutions/articles/19000106022-translating-the-micro-bit-python-editor" target="_blank" tabindex="124">Add a language</a></div>
                         </div>
                     </div>
                 </div>