diff --git a/go/glicko2.go b/go/glicko2.go
index 3ac9291..ecd2a2d 100644
--- a/go/glicko2.go
+++ b/go/glicko2.go
@@ -1,3 +1,27 @@
+//
+//
+// Copyright (c) 2013 Stephen Waits
+// 
+// This software is provided 'as-is', without any express or implied warranty. In
+// no event will the authors be held liable for any damages arising from the use
+// of this software.
+// 
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+// 
+// 1. The origin of this software must not be misrepresented; you must not claim
+//    that you wrote the original software. If you use this software in a
+//    product, an acknowledgment in the product documentation would be
+//    appreciated but is not required.
+// 
+// 2. Altered source versions must be plainly marked as such, and must not be
+//    misrepresented as being the original software.
+// 
+// 3. This notice may not be removed or altered from any source distribution.
+//
+//
+//
 // Glicko-2 Rating calculator package.
 //
 // This package implements the Glicko-2 rating system algorithm written by
diff --git a/rb/glicko2.rb b/rb/glicko2.rb
index 880b9c2..031d3ca 100755
--- a/rb/glicko2.rb
+++ b/rb/glicko2.rb
@@ -2,7 +2,7 @@
 
 #
 #
-# Copyright (c) 2004 Stephen Waits
+# Copyright (c) 2013 Stephen Waits
 # 
 # This software is provided 'as-is', without any express or implied warranty. In
 # no event will the authors be held liable for any damages arising from the use