diff --git a/core/modules/ckeditor/src/Plugin/CKEditorPlugin/Language.php b/core/modules/ckeditor/src/Plugin/CKEditorPlugin/Language.php
index 145f741..8055b58 100644
--- a/core/modules/ckeditor/src/Plugin/CKEditorPlugin/Language.php
+++ b/core/modules/ckeditor/src/Plugin/CKEditorPlugin/Language.php
@@ -115,7 +115,7 @@ public function settingsForm(array $form, FormStateInterface $form_state, Editor
       ],
       '#default_value' => $config['language_list'],
       '#description' => $this->t('The list of languages to show in the language dropdown. The basic list will only show the <a href=":url">six official languages of the UN</a>. The extended list will show all @count languages that are available in Drupal.', [
-        ':url' => Url::fromUri('http://www.un.org/en/aboutun/languages.shtml/')->toString(),
+        ':url' => Url::fromUri('https://www.un.org/en/sections/about-un/official-languages/')->toString(),
         '@count' => count($predefined_languages),
       ]),
       '#attached' => ['library' => ['ckeditor/drupal.ckeditor.language.admin']],