1 files changed, 1 insertions, 0 deletions

diff --git a/swap.c b/swap.c
index 2a627c3..93111c5 100644
--- a/swap.c
+++ b/swap.c
@@ -1,3 +1,4 @@
+/* See LICENSE file for copyright and license details. */
 #include <err.h>
 #include <stdio.h>
 #include <string.h>