--- a/src/internet-stack/arp-l3-protocol.cc	Wed Oct 29 22:52:22 2008 -0700
+++ b/src/internet-stack/arp-l3-protocol.cc	Thu Oct 30 22:04:12 2008 -0700
@@ -221,7 +221,7 @@
             } 
           else if (entry->IsWaitReply ()) 
             {
-              NS_FATAL_ERROR ("Test for possibly unreachable code-- please file a bug report if this is ever hit");
+              NS_FATAL_ERROR ("Test for possibly unreachable code-- please file a bug report, with a test case, if this is ever hit");
             }
         } 
       else