diff --git a/README.md b/README.md
index 8df764c2..3f9b772d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Monero
 
 Copyright (c) 2014-2017, The Monero Project
+Portions Copyright (c) 2012-2013, The Cryptonote developers
 
 ## Development Resources