diff --git a/tools/validate-commit-message/index.js b/tools/validate-commit-message/index.js
index 7bb7b84edc..6e45729380 100644
--- a/tools/validate-commit-message/index.js
+++ b/tools/validate-commit-message/index.js
@@ -1 +1,9 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
 module.exports = require('./validate-commit-message');
\ No newline at end of file
diff --git a/tools/validate-commit-message/validate-commit-message.js b/tools/validate-commit-message/validate-commit-message.js
index bdfc727bac..12f79e51a3 100644
--- a/tools/validate-commit-message/validate-commit-message.js
+++ b/tools/validate-commit-message/validate-commit-message.js
@@ -1,5 +1,13 @@
 #!/usr/bin/env node
 
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
 /**
  * GIT commit message format enforcement
  *