diff --git a/interpreter/src/types.rs b/interpreter/src/types.rs
index 1ad71cc..379f46d 100644
--- a/interpreter/src/types.rs
+++ b/interpreter/src/types.rs
@@ -1,3 +1,8 @@
+// This file is part of the uutils awk package.
+//
+// For the full copyright and license information, please view the LICENSE
+// files that was distributed with this source code.
+
 use std::{
     borrow::Cow,
     fmt::Display,
diff --git a/interpreter/src/vm.rs b/interpreter/src/vm.rs
index d9773ad..818ccca 100644
--- a/interpreter/src/vm.rs
+++ b/interpreter/src/vm.rs
@@ -1,3 +1,8 @@
+// This file is part of the uutils awk package.
+//
+// For the full copyright and license information, please view the LICENSE
+// files that was distributed with this source code.
+
 use std::{
     fmt::{self, Display},
     mem::replace,