diff --git a/keduvocdocument/keduvocvocabularycolumnsdialog.h b/keduvocdocument/keduvocvocabularycolumnsdialog.h
index cb4e16f..c769a56 100644
--- a/keduvocdocument/keduvocvocabularycolumnsdialog.h
+++ b/keduvocdocument/keduvocvocabularycolumnsdialog.h
@@ -1,127 +1,128 @@
 /***************************************************************************
 
                       options to enable/disable columns for the languages
 
     -----------------------------------------------------------------------
     copyright     :(C) 2008 Javier goday <jgoday@gmail.com>
     -----------------------------------------------------------------------
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef KEDUVOCVOCABULARYCOLUMNSDIALOG_H
 #define KEDUVOCVOCABULARYCOLUMNSDIALOG_H
 
 #include <QMap>
 #include <QDialog>
 #include <QGridLayout>
 
 #include <keduvocdocument_export.h>
 #include <keduvocdocument.h>
 
 class QGridLayout;
 class QStandardItem;
 class QStandardItemModel;
 class QVBoxLayout;
 class KEduVocDocument;
 class KEduVocVocabularyModel;
 
 namespace Editor
 {
 
 /**
 * Show options to enable/disable the columns for each language of the current document
 */
 class KEDUVOCDOCUMENT_EXPORT KEduVocVocabularyColumnsDialog : public QDialog
 {
     Q_OBJECT
 public:
     enum Roles {
         ColumnRole = 0x12,
         LanguageRole = 0x18
     };
 
     /**
      * @param visibleColumns Represents DocumentSettings::visibleColumns()
-     * Example usage: Use doc->url().url() for this parameter, where doc is the KEduVocDocument object passed to this function as @param doc
-     * Save the settings using DocumentSettings::save()
+     * Example usage:
+     *      DocumentSettings ds(doc->url().url());
+            KEduVocVocabularyColumnsDialog *dialog = new KEduVocVocabularyColumnsDialog(doc, ds.visibleColumns(), this);
      */
     KEduVocVocabularyColumnsDialog(KEduVocDocument *doc, QList <int> visibleColumns, QWidget *parent);
     ~KEduVocVocabularyColumnsDialog();
 
     void accept();
 
     /**
      * Initialize the gridlayout of the widget
      * with one treeview for each language showing the possible columns
      */
     void createLanguagesLayout();
 
     /**
      * Adds a language to the main gridlayout
      */
     void addLanguage(int language, QVBoxLayout *parent);
 
     /**
      * Save the visible columns for each language in the document settings
      */
     void saveVisibleColumns();
 
     /**
      * Set the Grid Layout
      */
     void setBox( QGridLayout * box );
 
     /**
      * Return the current Grid Layout
      */
     QGridLayout* box();
 
     /**
      * Set the KEduVocDocument
      */
     void setDoc( KEduVocDocument * doc );
 
     /**
      * Return the current KEduVocDocument
      */
     KEduVocDocument* doc();
 
     /**
      * Set the list of ItemModels
      * @param visibleColumns Represents DocumentSettings::visibleColumns()
      * Example usage: Use doc->url().url() for this parameter, where doc is the KEduVocDocument object passed to this function as @param doc
      * Save the settings using DocumentSettings::save()
      */
     void setModels( QMap <int, QStandardItemModel *> models );
 
     /**
      * Return the current list of ItemModels
      */
     QMap <int, QStandardItemModel *> models();
 
     /**
      * Set the visibleColumns list
      */
     void setVisibleColumns( QList <int> visibleColumns );
 
     /**
      * Return the current visibleColumns list
      */
     QList <int> visibleColumns();
 
 private:
     class Private;
     Private * const d;
 };
 }
 
 #endif