1 files changed, 1 insertions, 0 deletions
diff --git a/volume.c b/volume.c
index a23c4f1..0074754 100644
--- a/volume.c
+++ b/volume.c
@@ -1,3 +1,4 @@
+/* See LICENSE file for copyright and license details. */
 #include <err.h>
 #include <fcntl.h>
 #include <sys/soundcard.h>