diff --git a/src/uu/lscpu/src/lscpu.rs b/src/uu/lscpu/src/lscpu.rs
index c08ad7c..cb506e3 100644
--- a/src/uu/lscpu/src/lscpu.rs
+++ b/src/uu/lscpu/src/lscpu.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 regex::Regex;
 use std::fs;
 use sysinfo::System;
diff --git a/src/uu/pwdx/src/pwdx.rs b/src/uu/pwdx/src/pwdx.rs
index 872f2b2..ce24f33 100644
--- a/src/uu/pwdx/src/pwdx.rs
+++ b/src/uu/pwdx/src/pwdx.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 std::env;
 use std::fs;
 use std::path::Path;
diff --git a/src/uu/renice/src/renice.rs b/src/uu/renice/src/renice.rs
index 9c1bd79..1a6f0e5 100644
--- a/src/uu/renice/src/renice.rs
+++ b/src/uu/renice/src/renice.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 libc::{c_char, c_int, execvp, PRIO_PROCESS};
 use std::env;
 use std::io::{Error, Write};