--- a/examples/radvd-two-prefix.cc	Tue Sep 08 18:40:47 2009 +0200
+++ b/examples/radvd-two-prefix.cc	Tue Sep 08 18:45:44 2009 +0200
@@ -46,10 +46,13 @@
 
 NS_LOG_COMPONENT_DEFINE ("RadvdExample");
 
+/**
+ * \class StackHelper
+ * \brief Helper to set or get some IPv6 information about nodes.
+ */
 class StackHelper
 {
   public:
-
     /**
      * \brief Add an address to a IPv6 node.
      * \param n node