diff --git a/src/mobility/examples/main-grid-topology.cc b/src/mobility/examples/main-grid-topology.cc
index 07fb87064..585cbe4f9 100644
--- a/src/mobility/examples/main-grid-topology.cc
+++ b/src/mobility/examples/main-grid-topology.cc
@@ -1,4 +1,20 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006,2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */ 
 
 #include "ns3/core-module.h"
 #include "ns3/network-module.h"
diff --git a/src/mobility/examples/main-random-topology.cc b/src/mobility/examples/main-random-topology.cc
index 67b5b43c0..3f017341d 100644
--- a/src/mobility/examples/main-random-topology.cc
+++ b/src/mobility/examples/main-random-topology.cc
@@ -1,4 +1,21 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006,2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */ 
 
 #include "ns3/core-module.h"
 #include "ns3/mobility-module.h"
diff --git a/src/mobility/examples/main-random-walk.cc b/src/mobility/examples/main-random-walk.cc
index bb0b9f046..39deb49e7 100644
--- a/src/mobility/examples/main-random-walk.cc
+++ b/src/mobility/examples/main-random-walk.cc
@@ -1,4 +1,20 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006,2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */ 
 
 #include "ns3/core-module.h"
 #include "ns3/mobility-module.h"