Ayrıştırma hatası:

syntax error, unexpected T_VARIABLE, expecting ',' or ';' in ds.php on line 6

Bu benim kodudur

include_once("db_conn.php");
 $del=$_GET['head1'];
     $d=$_GET['msg1'];
     $dl=$_GET['ctdel']
$dl ="y";  

mysql_query("UPDATE  thirdpartycategorymaster SET  delete = '$dl' WHERE  thirdpartycategorymaster.ThirdPartyCategoryID ='$del' ");
mysql_close($conn);
?>