Link.php: precise error message

extension/qfq/qfq/report/Link.php

@@ -437,7 +437,7 @@ class Link {
                 $type = $this->tokenMapping[$key];
 
                 if (isset($flagArray[$type])) {
-                    throw new UserReportException ("Multiple definitions of url/mail/page or picture", ERROR_MULTIPLE_DEFINITION);
+                    throw new UserReportException ("Multiple definitions of url/mail/page/download or picture", ERROR_MULTIPLE_DEFINITION);
                 }
                 $flagArray[$type] = true;