diff --git a/src/uu/dmesg/src/time_formatter.rs b/src/uu/dmesg/src/time_formatter.rs
index c7c0e0e..ba6aabe 100644
--- a/src/uu/dmesg/src/time_formatter.rs
+++ b/src/uu/dmesg/src/time_formatter.rs
@@ -1,3 +1,8 @@
+// This file is part of the uutils util-linux package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+
 use chrono::{DateTime, FixedOffset, TimeDelta};
 #[cfg(feature = "fixed-boot-time")]
 use chrono::{NaiveDate, NaiveTime};