diff --git a/src/csharp/GrpcApi/MathExamples.cs b/src/csharp/GrpcApi/MathExamples.cs
index 65a73332e1f..07bcc9c9cd4 100644
--- a/src/csharp/GrpcApi/MathExamples.cs
+++ b/src/csharp/GrpcApi/MathExamples.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2014, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without