1 files changed, 5 insertions, 1 deletions
diff --git a/catrw.c b/catrw.c
index 164d2a3..e19e4e5 100644
--- a/catrw.c
+++ b/catrw.c
@@ -1,7 +1,11 @@
 /*
  *  catrw.c  --  open a file with O_RDWR and print it.
  * 
- *  This file is placed in the public domain.
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
  */
 #include <stdio.h>
 #include <stdlib.h>