diff --git a/GPy/inference/mcmc/hmc.py b/GPy/inference/mcmc/hmc.py
index 54893769..21bc13cc 100644
--- a/GPy/inference/mcmc/hmc.py
+++ b/GPy/inference/mcmc/hmc.py
@@ -1,4 +1,4 @@
-# ## Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# ## Copyright (c) 2014, Zhenwen Dai
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 import numpy as np
diff --git a/GPy/inference/mcmc/samplers.py b/GPy/inference/mcmc/samplers.py
index fdb3df76..444d99d7 100644
--- a/GPy/inference/mcmc/samplers.py
+++ b/GPy/inference/mcmc/samplers.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# ## Copyright (c) 2014, Zhenwen Dai
 # Licensed under the BSD 3-clause license (see LICENSE.txt)