diff --git a/cython/gtsam/examples/OdometryExample.py b/cython/gtsam/examples/OdometryExample.py
index bfebcb45f..0357aebb3 100644
--- a/cython/gtsam/examples/OdometryExample.py
+++ b/cython/gtsam/examples/OdometryExample.py
@@ -1,5 +1,5 @@
 """
-GTSAM Copyright 2010, Georgia Tech Research Corporation,
+GTSAM Copyright 2010-2018, Georgia Tech Research Corporation,
 Atlanta, Georgia 30332-0415
 All Rights Reserved
 Authors: Frank Dellaert, et al. (see THANKS for the full author list)
diff --git a/cython/gtsam/examples/PlanarSLAMExample.py b/cython/gtsam/examples/PlanarSLAMExample.py
index 47c69e490..785faaea6 100644
--- a/cython/gtsam/examples/PlanarSLAMExample.py
+++ b/cython/gtsam/examples/PlanarSLAMExample.py
@@ -1,5 +1,5 @@
 """
-GTSAM Copyright 2010, Georgia Tech Research Corporation,
+GTSAM Copyright 2010-2018, Georgia Tech Research Corporation,
 Atlanta, Georgia 30332-0415
 All Rights Reserved
 Authors: Frank Dellaert, et al. (see THANKS for the full author list)
diff --git a/cython/gtsam/examples/Pose2SLAMExample.py b/cython/gtsam/examples/Pose2SLAMExample.py
index 58006f2c8..a9bb9d74b 100644
--- a/cython/gtsam/examples/Pose2SLAMExample.py
+++ b/cython/gtsam/examples/Pose2SLAMExample.py
@@ -1,5 +1,5 @@
 """
-GTSAM Copyright 2010, Georgia Tech Research Corporation,
+GTSAM Copyright 2010-2018, Georgia Tech Research Corporation,
 Atlanta, Georgia 30332-0415
 All Rights Reserved
 Authors: Frank Dellaert, et al. (see THANKS for the full author list)
diff --git a/cython/gtsam/examples/VisualISAM2Example.py b/cython/gtsam/examples/VisualISAM2Example.py
index b1bb911e0..e2caee6d4 100644
--- a/cython/gtsam/examples/VisualISAM2Example.py
+++ b/cython/gtsam/examples/VisualISAM2Example.py
@@ -1,5 +1,5 @@
 """
-GTSAM Copyright 2010, Georgia Tech Research Corporation,
+GTSAM Copyright 2010-2018, Georgia Tech Research Corporation,
 Atlanta, Georgia 30332-0415
 All Rights Reserved
 Authors: Frank Dellaert, et al. (see THANKS for the full author list)