diff --git a/src/enc/delta_palettization.c b/src/enc/delta_palettization.c
index ebc6b3c3..e8f8cc24 100644
--- a/src/enc/delta_palettization.c
+++ b/src/enc/delta_palettization.c
@@ -1,3 +1,15 @@
+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// Author: Mislav Bradac (mislavm@google.com)
+//
+
 #ifdef WEBP_EXPERIMENTAL_FEATURES
 
 #include "./delta_palettization.h"
diff --git a/src/enc/delta_palettization.h b/src/enc/delta_palettization.h
index 78a2a6bd..dbaf43c7 100644
--- a/src/enc/delta_palettization.h
+++ b/src/enc/delta_palettization.h
@@ -1,3 +1,15 @@
+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// Author: Mislav Bradac (mislavm@google.com)
+//
+
 #ifndef WEBP_ENC_DELTA_PALETTIZATION_H_
 #define WEBP_ENC_DELTA_PALETTIZATION_H_