--- a/src/internet/model/ipv6-routing-table-entry.h	Thu Nov 14 19:07:55 2013 +0100
+++ b/src/internet/model/ipv6-routing-table-entry.h	Thu Nov 14 22:43:53 2013 +0100
@@ -260,6 +260,13 @@
 
 };
 
+/**
+* \brief Stream insertion operator.
+*
+* \param os the reference to the output stream
+* \param route the Ipv6 routing table entry
+* \returns the reference to the output stream
+*/
 std::ostream& operator<< (std::ostream& os, Ipv6RoutingTableEntry const& route);
 
 /**
@@ -364,6 +371,13 @@
   std::vector<uint32_t> m_outputInterfaces;
 };
 
+/**
+* \brief Stream insertion operator.
+*
+* \param os the reference to the output stream
+* \param route the Ipv6 multicast routing table entry
+* \returns the reference to the output stream
+*/
 std::ostream& operator<< (std::ostream& os, Ipv6MulticastRoutingTableEntry const& route);
 
 } /* namespace ns3 */