Subsequent fixes after major changes for PDO

asset.php

@@ -25,7 +25,7 @@ $smarty->assign("alphabet", $alphabet);
 $sth = $dbh->query("SELECT COUNT(*) FROM asset");
 $smarty->assign("assetcount", $sth->fetchColumn());
 
-// assetf for current letter
+// assets for current letter
 if (isset($_GET['asset_letter'])) {
     $asset_letter = sanitize($_GET['asset_letter']);
 } else {
@@ -42,6 +42,6 @@ $sth->execute([$asset_letter]);
 $smarty->assign("assets", $sth->fetchAll());
 
 $smarty->display("asset.tpl");
-		
+
 include("footer.php");
 ?>