diff --git a/programs/dibio.c b/programs/dibio.c
index ab2dc28..ffc7845 100644
--- a/programs/dibio.c
+++ b/programs/dibio.c
@@ -5,6 +5,7 @@
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */