SF bug #801486:  Markup error.
diff --git a/Doc/lib/libtest.tex b/Doc/lib/libtest.tex
index 093e993..d886d02 100644
--- a/Doc/lib/libtest.tex
+++ b/Doc/lib/libtest.tex
@@ -29,8 +29,7 @@
 \end{seealso}
 
 
-\subsection{\module[test.testsupport]{test.test_support} ---
-            --- Utility functions for tests}
+\subsection{\module{test.test_support} --- Utility functions for tests}
 \declaremodule[test.testsupport]{standard}{test.test_support}
 
 The \module{test.test_support} module contains functions for assisting