Make the error message clearer.

www/swreg/callhome.php

@@ -78,7 +78,7 @@ if ($row['should_re_ztp'] == 2) {
         $sth = $dbh->prepare($sql);
         $res = $sth->execute(array(1, $sn));
     } catch (PDOException $e) {
-        $logger->crit("Failed to reset re-ZTP bit for {$sn}: {$e->getMessage()}");
+        $logger->crit("Failed to set the post-taste re-ZTP bit for {$sn}: {$e->getMessage()}");
     }
     exit(0);
 } elseif ($row['should_re_ztp'] == 1) {