Битрикс вывести описание раздела

<?
CModule::IncludeModule('iblock');
$dbSect = CIBlockSection::GetList(Array("SORT"=>"ASC"), Array("ID"=>$arResult["VARIABLES"]["SECTION_ID"], "<=LEFT_BORDER" => $arResult["LEFT_MARGIN"], ">=RIGHT_BORDER" => $arResult["RIGHT_MARGIN"]), true);
if($arSect = $dbSect->GetNext()) {echo $arSect["DESCRIPTION"];}
?>