Fix Barry's markup.
diff --git a/Doc/lib/libsunaudio.tex b/Doc/lib/libsunaudio.tex
index 4529cef..db0368b 100644
--- a/Doc/lib/libsunaudio.tex
+++ b/Doc/lib/libsunaudio.tex
@@ -50,7 +50,7 @@
\begin{methoddesc}[audio device]{fileno}{}
Returns the file descriptor associated with the device. This can be
used to set up \code{SIGPOLL} notification, as described below.
-\end{methoddocs}
+\end{methoddesc}
\begin{methoddesc}[audio device]{drain}{}
This method waits until all pending output is processed and then returns.