diff --git a/include/boost/config/select_compiler_config.hpp b/include/boost/config/select_compiler_config.hpp
index e8f75ec0..3453f1a3 100644
--- a/include/boost/config/select_compiler_config.hpp
+++ b/include/boost/config/select_compiler_config.hpp
@@ -78,6 +78,6 @@
 #elif defined (BOOST_ASSERT_CONFIG)
 // this must come last - generate an error if we don't
 // recognise the compiler:
-#  error "Unknown compiler - please configure and report the results to boost.org"
+#  error "Unknown compiler - please configure (http://www.boost.org/libs/config/config.htm#configuring) and report the results to the main boost mailing list (http://www.boost.org/more/mailing_lists.htm#main)"
 
 #endif