diff --git a/src/archiver_iso9660.c b/src/archiver_iso9660.c
index f247862..b563026 100644
--- a/src/archiver_iso9660.c
+++ b/src/archiver_iso9660.c
@@ -6,6 +6,8 @@
  *  This file written by Christoph Nelles.
  */
 
+/* !!! FIXME: this file needs Ryanification. */
+
 /*
  * Handles CD-ROM disk images (and raw CD-ROM devices).
  *