diff --git a/liba52/test.c b/liba52/test.c
index 8d2588c109..cbc58be394 100644
--- a/liba52/test.c
+++ b/liba52/test.c
@@ -1,7 +1,25 @@
-// liba52 sample by A'rpi/ESP-team
-// Reads an AC-3 stream from stdin, decodes and downmixes to s16 stereo PCM
-// and writes it to stdout. The resulting stream is playable with sox:
-//   play -c2 -r48000 -sw -fs out.sw
+/*
+ * liba52 sample by A'rpi/ESP-team
+ * Reads an AC-3 stream from stdin, decodes and downmixes to s16 stereo PCM
+ * and writes it to stdout. The resulting stream is playable with sox:
+ *   play -c2 -r48000 -sw -fs out.sw
+ *
+ * Copyright (C) 2001 Árpád Gereöffy
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
 
 //#define TIMING //needs Pentium or newer