-<form action="{!URL!}/modules.php?module=admin&what=config_cats&do=edit" method="POST">
+<form action="{!URL!}/modules.php?module=admin&what=config_cats&do=edit" method="post">
<table border="0" cellspacing="0" cellpadding="0" class="admin_table dashed">
<tr>
<td align="center" colspan="3" height="30" class="admin_header bottom2">