diff --git a/doc/modules b/doc/modules
index 4c2f1d375..62974397e 100644
--- a/doc/modules
+++ b/doc/modules
@@ -30,28 +30,4 @@
  *    - a configuration class used to set and control all attributes and trace sources
  *      in a simulation: ns3::Config.
  *
- * @defgroup network Network
- * The "network" module contains: 
- *    - a packet class to create and manipulate simulation packets: 
- *      ns3::Packet, ns3::Header,  and ns3::Trailer. This packet class 
- *      also supports per-packet ns3::Tag which are  globs of data 
- *      which can be attached to any packet.
- *    - a ns3::Node base class which should be subclassed by any new type of
- *      network Node.
- *    - models which abstract the MAC-layer from the IP layer protocols:
- *      ns3::NetDevice and ns3::Channel. 
- *    - models which abstract the application-layer API: ns3::Application,
- *      ns3::Socket, ns3::SocketFactory, and, ns3::Udp
- * 
- * @defgroup internet Internet
- * 
- * The "internet" module contains:
- *    - an Ipv4 stack
- *    - an Ipv6 stack
- *    - an ARP module
- *    - a UDP and a TCP implementation
- *    
- * @defgroup applications Applications
- *    
- * @defgroup netanim Animation
  */
diff --git a/src/applications/doc/applications.h b/src/applications/doc/applications.h
new file mode 100644
index 000000000..8c008c2ca
--- /dev/null
+++ b/src/applications/doc/applications.h
@@ -0,0 +1,27 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * 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
+ *
+ */
+
+#ifndef APPLICATIONS_H
+#define APPLICATIONS_H
+
+/**
+ * \defgroup applications Applications
+ *
+ * This section documents the API of the ns-3 applications module. For a generic functional description, please refer to the ns-3 manual.
+ */
+
+#endif /* APPLICATIONS_H */
diff --git a/src/internet/doc/internet.h b/src/internet/doc/internet.h
new file mode 100644
index 000000000..7c4a4cfdd
--- /dev/null
+++ b/src/internet/doc/internet.h
@@ -0,0 +1,27 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * 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
+ *
+ */
+
+#ifndef INTERNET_H
+#define INTERNET_H
+
+/**
+ * \defgroup internet Internet
+ *
+ * This section documents the API of the ns-3 internet module. For a generic functional description, please refer to the ns-3 manual.
+ */
+
+#endif /* INTERNET_H */
diff --git a/src/netanim/model/animation-interface.h b/src/netanim/model/animation-interface.h
index 4b9bde032..6ad30fd23 100644
--- a/src/netanim/model/animation-interface.h
+++ b/src/netanim/model/animation-interface.h
@@ -34,6 +34,12 @@ namespace ns3 {
 
 class NetModel;
 
+/**
+ * \defgroup netanim Netanim
+ *
+ * This section documents the API of the ns-3 netanim module. For a generic functional description, please refer to the ns-3 manual.
+ */
+
 /**
  * \ingroup netanim
  *
diff --git a/src/network/doc/network.h b/src/network/doc/network.h
new file mode 100644
index 000000000..2deaff4da
--- /dev/null
+++ b/src/network/doc/network.h
@@ -0,0 +1,27 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * 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
+ *
+ */
+
+#ifndef NETWORK_H
+#define NETWORK_H
+
+/**
+ * \defgroup network Network
+ *
+ * This section documents the API of the ns-3 network module. For a generic functional description, please refer to the ns-3 manual.
+ */
+
+#endif /* NETWORK_H */