fix copyrights
diff --git a/build/autoconf/m4/nl_with_lwip.m4 b/build/autoconf/m4/nl_with_lwip.m4
index 1266d10..4c8dff9 100644
--- a/build/autoconf/m4/nl_with_lwip.m4
+++ b/build/autoconf/m4/nl_with_lwip.m4
@@ -1,5 +1,6 @@
#
-# <COPYRIGHT>
+# Copyright (c) 2020 Project CHIP Authors
+# Copyright (c) 2015-2017 Nest Labs, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/build/config/standalone/CHIPProjectConfig.h b/build/config/standalone/CHIPProjectConfig.h
index 0fdea6b..b686028 100644
--- a/build/config/standalone/CHIPProjectConfig.h
+++ b/build/config/standalone/CHIPProjectConfig.h
@@ -1,6 +1,7 @@
/*
*
- * <COPYRIGHT>
+ * Copyright (c) 2020 Project CHIP Authors
+ * Copyright (c) 2016-2017 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
diff --git a/build/config/standalone/SystemProjectConfig.h b/build/config/standalone/SystemProjectConfig.h
index c3b78c7..682a21d 100644
--- a/build/config/standalone/SystemProjectConfig.h
+++ b/build/config/standalone/SystemProjectConfig.h
@@ -1,6 +1,7 @@
/*
*
- * <COPYRIGHT>
+ * Copyright (c) 2020 Project CHIP Authors
+ * Copyright (c) 2018 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
diff --git a/build/config/standalone/darwin/CHIPProjectConfig.h b/build/config/standalone/darwin/CHIPProjectConfig.h
index f6b7db6..f3816d7 100644
--- a/build/config/standalone/darwin/CHIPProjectConfig.h
+++ b/build/config/standalone/darwin/CHIPProjectConfig.h
@@ -1,6 +1,7 @@
/*
*
- * <COPYRIGHT>
+ * Copyright (c) 2020 Project CHIP Authors
+ * Copyright (c) 2017 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
diff --git a/build/config/standalone/no-openssl/CHIPProjectConfig.h b/build/config/standalone/no-openssl/CHIPProjectConfig.h
index d08908b..141dd49 100644
--- a/build/config/standalone/no-openssl/CHIPProjectConfig.h
+++ b/build/config/standalone/no-openssl/CHIPProjectConfig.h
@@ -1,6 +1,7 @@
/*
*
- * <COPYRIGHT>
+ * Copyright (c) 2020 Project CHIP Authors
+ * Copyright (c) 2017 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
diff --git a/build/efr32/efr32-app.mk b/build/efr32/efr32-app.mk
index f801ee6..8a5c625 100644
--- a/build/efr32/efr32-app.mk
+++ b/build/efr32/efr32-app.mk
@@ -1,5 +1,6 @@
#
-# <COPYRIGHT>
+# Copyright (c) 2020 Project CHIP Authors
+# Copyright (c) 2019 Google LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/build/nrf5/nrf5-app.mk b/build/nrf5/nrf5-app.mk
index abbd395..e2d435b 100644
--- a/build/nrf5/nrf5-app.mk
+++ b/build/nrf5/nrf5-app.mk
@@ -1,5 +1,6 @@
#
-# <COPYRIGHT>
+# Copyright (c) 2020 Project CHIP Authors
+# Copyright (c) 2019 Google LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.