diff --git a/doc/README.md b/doc/README.md
index 150770177..ac15f133f 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -2,6 +2,8 @@ Dogecoin 0.9.0rc1 BETA
 =====================
 
 Copyright (c) 2009-2014 Bitcoin Developers
+Copyright (c) 2011-2013 Litecoin Developers
+Copyright (c) 2013-2014 Dogecoin Developers
 
 
 Setup