New style section headers.
diff --git a/Doc/mac/libmactcp.tex b/Doc/mac/libmactcp.tex
index f5590c5..f0d2d7d 100644
--- a/Doc/mac/libmactcp.tex
+++ b/Doc/mac/libmactcp.tex
@@ -1,4 +1,5 @@
-\section{Built-in Module \module{mactcp}}
+\section{\module{mactcp} ---
+         The MacTCP interfaces.}
 \declaremodule{builtin}{mactcp}
 
 \modulesynopsis{The MacTCP interfaces.}