diff --git a/src/untested.cpp b/src/untested.cpp
index 2b52622..d6e2086 100644
--- a/src/untested.cpp
+++ b/src/untested.cpp
@@ -4,4 +4,4 @@
 //    (See accompanying file LICENSE_1_0.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
 
-#error "code for this platform is untested - please remove this file from build/Jamfile.v2 and report the test-result on boost-track"
+#error "! code for this platform is untested - please remove this file from build/Jamfile.v2 and report the test-result on boost-track !"