diff --git a/examples/ImuFactorExample2.cpp b/examples/ImuFactorExample2.cpp
index cb3650421..0031acbe8 100644
--- a/examples/ImuFactorExample2.cpp
+++ b/examples/ImuFactorExample2.cpp
@@ -1,3 +1,19 @@
+/* ----------------------------------------------------------------------------
+
+ * GTSAM Copyright 2010, Georgia Tech Research Corporation,
+ * Atlanta, Georgia 30332-0415
+ * All Rights Reserved
+ * Authors: Frank Dellaert, et al. (see THANKS for the full author list)
+
+ * See LICENSE for the license information
+
+ * -------------------------------------------------------------------------- */
+
+/**
+ * @file ImuFactorExample2
+ * @brief Test example for using GTSAM ImuFactor and ImuCombinedFactor with ISAM2.
+ * @author Robert Truax
+ */
 
 #include <gtsam/geometry/PinholeCamera.h>
 #include <gtsam/geometry/Cal3_S2.h>