--- a/src/internet/model/ipv4-raw-socket-factory.h	Sun Nov 24 23:48:49 2013 +0100
+++ b/src/internet/model/ipv4-raw-socket-factory.h	Wed Nov 20 20:15:02 2013 +0100
@@ -37,6 +37,10 @@
 class Ipv4RawSocketFactory : public SocketFactory
 {
 public:
+  /**
+   * \brief Get the type ID.
+   * \return the object TypeId
+   */
   static TypeId GetTypeId (void);
 
 };