docs: function( editor ) {
  		var command = editor.addCommand( 'about', new CKEDITOR.dialogCommand( 'about' ) );
  		command.modes = { wysiwyg: 1, source: 1 };
  		command.canUndo = false;
  		command.readOnly = 1;
  
  		editor.ui.addButton && editor.ui.addButton( 'About', {
  			label: editor.lang.about.title,
  			command: 'about',
  			toolbar: 'about'
  		} );
  
  		CKEDITOR.dialog.add( 'about', this.path + 'dialogs/about.js' );
  	}