diff --git a/benches/keccak_256.rs b/benches/keccak_256.rs
index 8b39841..d59e534 100644
--- a/benches/keccak_256.rs
+++ b/benches/keccak_256.rs
@@ -1,3 +1,19 @@
+// Copyright 2015-2018 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
 #![feature(test)]
 
 extern crate test;
@@ -33,4 +49,4 @@ fn bench_keccak_256_with_large_input(b: &mut Bencher) {
     b.iter(|| {
         let _out = keccak(&data);
     })
-}
\ No newline at end of file
+}
diff --git a/src/lib.rs b/src/lib.rs
index b75e095..c54d723 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015-2018 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -32,7 +32,6 @@ pub const KECCAK_NULL_RLP: H256 = H256( [0x56, 0xe8, 0x1f, 0x17, 0x1b, 0xcc, 0x5
 /// The KECCAK of the RLP encoding of empty list.
 pub const KECCAK_EMPTY_LIST_RLP: H256 = H256( [0x1d, 0xcc, 0x4d, 0xe8, 0xde, 0xc7, 0x5d, 0x7a, 0xab, 0x85, 0xb5, 0x67, 0xb6, 0xcc, 0xd4, 0x1a, 0xd3, 0x12, 0x45, 0x1b, 0x94, 0x8a, 0x74, 0x13, 0xf0, 0xa1, 0x42, 0xfd, 0x40, 0xd4, 0x93, 0x47] );
 
-
 pub fn keccak<T: AsRef<[u8]>>(s: T) -> H256 {
 	let mut result = [0u8; 32];
 	write_keccak(s, &mut result);