diff --git a/libutil/fshut.c b/libutil/fshut.c
index 96c2b79..8513184 100644
--- a/libutil/fshut.c
+++ b/libutil/fshut.c
@@ -1,3 +1,4 @@
+/* See LICENSE file for copyright and license details. */
 #include <stdio.h>
 #include <stdlib.h>