diff --git a/Libraries/Sample/Sample.android.js b/Libraries/Sample/Sample.android.js
index d74ef832a..2755a884b 100644
--- a/Libraries/Sample/Sample.android.js
+++ b/Libraries/Sample/Sample.android.js
@@ -1,4 +1,9 @@
 /**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
  * Stub of Sample for Android.
  *
  * @format
diff --git a/Libraries/Sample/Sample.ios.js b/Libraries/Sample/Sample.ios.js
index 061c42622..6c7443201 100644
--- a/Libraries/Sample/Sample.ios.js
+++ b/Libraries/Sample/Sample.ios.js
@@ -1,4 +1,11 @@
 /**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * Stub of Sample for Android.
+ *
  * @format
  * @flow
  */
diff --git a/Libraries/WebSocket/__mocks__/event-target-shim.js b/Libraries/WebSocket/__mocks__/event-target-shim.js
index 348227a37..5b099ea72 100644
--- a/Libraries/WebSocket/__mocks__/event-target-shim.js
+++ b/Libraries/WebSocket/__mocks__/event-target-shim.js
@@ -1,4 +1,11 @@
-/** @format */
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
 
 // Jest fatals for the following statement (minimal repro case)
 //