1 files changed, 3 insertions, 3 deletions

diff --git a/sources/core/lang.js b/sources/core/lang.js
index f2417e8a..3519923a 100644
--- a/sources/core/lang.js
+++ b/sources/core/lang.js
@@ -1,5 +1,5 @@
-/**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
+/**
+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
  * For licensing, see LICENSE.md or http://ckeditor.com/license
  */
 
@@ -17,7 +17,7 @@
                  *              alert( CKEDITOR.lang.languages.en ); // 1
                  */
                 languages: {
-                        af: 1, ar: 1, bg: 1, bn: 1, bs: 1, ca: 1, cs: 1, cy: 1, da: 1, de: 1, el: 1,
+                        af: 1, ar: 1, bg: 1, bn: 1, bs: 1, ca: 1, cs: 1, cy: 1, da: 1, de: 1, 'de-ch': 1, el: 1,
                         'en-au': 1, 'en-ca': 1, 'en-gb': 1, en: 1, eo: 1, es: 1, et: 1, eu: 1, fa: 1, fi: 1, fo: 1,
                         'fr-ca': 1, fr: 1, gl: 1, gu: 1, he: 1, hi: 1, hr: 1, hu: 1, id: 1, is: 1, it: 1, ja: 1, ka: 1,
                         km: 1, ko: 1, ku: 1, lt: 1, lv: 1, mk: 1, mn: 1, ms: 1, nb: 1, nl: 1, no: 1, pl: 1, 'pt-br': 1,