Switch from GPLv2 to GPLv2+

[fw/altos] / src / attiny / ao_async.h

diff --git a/src/attiny/ao_async.h b/src/attiny/ao_async.h
index 1b239712855e3276da9b2b8d75c213f94bf9e5d3..e3ce97f33f909820555061cd93cc7d612c5386a4 100644 (file)
--- a/src/attiny/ao_async.h
+++ b/src/attiny/ao_async.h
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of