Shorten the section title.
diff --git a/Doc/lib/libmhlib.tex b/Doc/lib/libmhlib.tex
index 3676a1f..27b71b0 100644
--- a/Doc/lib/libmhlib.tex
+++ b/Doc/lib/libmhlib.tex
@@ -2,7 +2,7 @@
% <skip@mojam.com>.
\section{\module{mhlib} ---
- Object-oriented access to MH mailboxes}
+ Access to MH mailboxes}
\declaremodule{standard}{mhlib}
\modulesynopsis{Manipulate MH mailboxes from Python.}
@@ -160,6 +160,9 @@
\subsection{Message Objects \label{mh-message-objects}}
+The \class{Message} class adds one method to those of
+\class{mimetools.Message}:
+
\begin{methoddesc}[Message]{openmessage}{n}
Return a new open message object (costs a file descriptor).
\end{methoddesc}