diff --git a/ndn/experiments/convergence_experiment.py b/ndn/experiments/convergence_experiment.py
index 451ff35..c67b184 100644
--- a/ndn/experiments/convergence_experiment.py
+++ b/ndn/experiments/convergence_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015-2017 The University of Memphis,
-#                         Arizona Board of Regents,
-#                         Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/experiment.py b/ndn/experiments/experiment.py
index 0b917c2..f5f4118 100644
--- a/ndn/experiments/experiment.py
+++ b/ndn/experiments/experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015-2017 The University of Memphis,
-#                         Arizona Board of Regents,
-#                         Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/failure_experiment.py b/ndn/experiments/failure_experiment.py
index d8d7dc9..8397836 100644
--- a/ndn/experiments/failure_experiment.py
+++ b/ndn/experiments/failure_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015 The University of Memphis,
-#                    Arizona Board of Regents,
-#                    Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/mcn_failure_convergence_experiment.py b/ndn/experiments/mcn_failure_convergence_experiment.py
index 942d151..aced2dc 100644
--- a/ndn/experiments/mcn_failure_convergence_experiment.py
+++ b/ndn/experiments/mcn_failure_convergence_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015-2017 The University of Memphis,
-#                         Arizona Board of Regents,
-#                         Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/mcn_failure_experiment.py b/ndn/experiments/mcn_failure_experiment.py
index e5bd462..bd85eff 100644
--- a/ndn/experiments/mcn_failure_experiment.py
+++ b/ndn/experiments/mcn_failure_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015-2017 The University of Memphis,
-#                         Arizona Board of Regents,
-#                         Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/multiple_failure_experiment.py b/ndn/experiments/multiple_failure_experiment.py
index 2759c67..4fc8e8c 100644
--- a/ndn/experiments/multiple_failure_experiment.py
+++ b/ndn/experiments/multiple_failure_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015 The University of Memphis,
-#                    Arizona Board of Regents,
-#                    Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
diff --git a/ndn/experiments/pingall_experiment.py b/ndn/experiments/pingall_experiment.py
index ba6b570..ebac539 100644
--- a/ndn/experiments/pingall_experiment.py
+++ b/ndn/experiments/pingall_experiment.py
@@ -1,8 +1,8 @@
 # -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 #
-# Copyright (C) 2015 The University of Memphis,
-#                    Arizona Board of Regents,
-#                    Regents of the University of California.
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
 #
 # This file is part of Mini-NDN.
 # See AUTHORS.md for a complete list of Mini-NDN authors and contributors.