Say "manual page", not "man page", when referring to the Unix manual.
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index 5fe6b1a..4c7afe8 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -372,7 +372,7 @@
\end{methoddesc}
\begin{methoddesc}[socket]{setsockopt}{level, optname, value}
-Set the value of the given socket option (see the \UNIX{} man page
+Set the value of the given socket option (see the \UNIX{} manual page
\manpage{setsockopt}{2}). The needed symbolic constants are defined in
the \module{socket} module (\code{SO_*} etc.). The value can be an
integer or a string representing a buffer. In the latter case it is