diff --git a/build/make/rtcd.pl b/build/make/rtcd.pl
index 0fe8a6fd6..68e92b52c 100755
--- a/build/make/rtcd.pl
+++ b/build/make/rtcd.pl
@@ -1,4 +1,13 @@
 #!/usr/bin/env perl
+##
+##  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+##  Use of this source code is governed by a BSD-style license
+##  that can be found in the LICENSE 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.
+##
 
 no strict 'refs';
 use warnings;
diff --git a/vp8/common/rtcd_defs.pl b/vp8/common/rtcd_defs.pl
index ece2785eb..3df745f75 100644
--- a/vp8/common/rtcd_defs.pl
+++ b/vp8/common/rtcd_defs.pl
@@ -1,3 +1,13 @@
+##
+##  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+##  Use of this source code is governed by a BSD-style license
+##  that can be found in the LICENSE 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.
+##
+
 sub vp8_common_forward_decls() {
 print <<EOF
 /*
diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl
index 201162d94..22b67ecac 100644
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -1,3 +1,13 @@
+##
+##  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+##  Use of this source code is governed by a BSD-style license
+##  that can be found in the LICENSE 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.
+##
+
 sub vp9_common_forward_decls() {
 print <<EOF
 /*
diff --git a/vpx_dsp/vpx_dsp_rtcd_defs.pl b/vpx_dsp/vpx_dsp_rtcd_defs.pl
index 04b9f22ba..1a743d910 100644
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -1,3 +1,13 @@
+##
+##  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+##  Use of this source code is governed by a BSD-style license
+##  that can be found in the LICENSE 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.
+##
+
 sub vpx_dsp_forward_decls() {
 print <<EOF
 /*
diff --git a/vpx_scale/vpx_scale_rtcd.pl b/vpx_scale/vpx_scale_rtcd.pl
index 75a3ad388..1281071a7 100644
--- a/vpx_scale/vpx_scale_rtcd.pl
+++ b/vpx_scale/vpx_scale_rtcd.pl
@@ -1,3 +1,13 @@
+##
+##  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+##
+##  Use of this source code is governed by a BSD-style license
+##  that can be found in the LICENSE 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.
+##
+
 sub vpx_scale_forward_decls() {
 print <<EOF
 struct yv12_buffer_config;