Index: /CKEditor/trunk/_source/core/lang.js
===================================================================
--- /CKEditor/trunk/_source/core/lang.js	(revision 6024)
+++ /CKEditor/trunk/_source/core/lang.js	(revision 6025)
@@ -8,4 +8,7 @@
 	var loadedLangs = {};
 
+	/**
+	 * @namespace Holds language related functions.
+	 */
 	CKEDITOR.lang =
 	{
@@ -82,10 +85,9 @@
 		 * then called when the file gets loaded.
 		 * @param {String} languageCode The code of the language file to be
-		 *		loaded. If "autoDetect" is set to true, this language will be
-		 *		used as the default one, if the detect language is not
-		 *		available in the core.
-		 * @param {Boolean} autoDetect Indicates that the function must try to
-		 *		detect the user language and load it instead.
-		 * @param {Function} callback The function to be called once the
+		 *		loaded. If null or empty, autodetection will be performed. The
+		 *		same happens if the language is not supported.
+		 * @param {String} defaultLanguage The language to be used if
+		 *		languageCode is not supported or if the autodetection fails.
+		 * @param {Function} callback A function to be called once the
 		 *		language file is loaded. Two parameters are passed to this
 		 *		function: the language code and the loaded language entries.
