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-rw-r--r--toys/touch.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/toys/touch.c b/toys/touch.c
index 013a388e..9392967a 100644
--- a/toys/touch.c
+++ b/toys/touch.c
@@ -3,6 +3,8 @@
* touch.c - Modify a file's timestamps.
*
* Copyright (C) 2007 Charlie Shepherd <masterdriverz@gentoo.org>
+ *
+ * See http://www.opengroup.org/onlinepubs/007904975/utilities/touch.html
*/
#define _XOPEN_SOURCE 600