diff --git a/rlp/encodel.go b/rlp/encodel.go
index ab2a15fc7..d86dedc4a 100644
--- a/rlp/encodel.go
+++ b/rlp/encodel.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2021 Erigon contributors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package rlp
 
 import (
diff --git a/rlp/parse.go b/rlp/parse.go
index b6cb1b886..eb00a057e 100644
--- a/rlp/parse.go
+++ b/rlp/parse.go
@@ -1,3 +1,19 @@
+/*
+   Copyright 2021 Erigon contributors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package rlp
 
 import (