Adjusted to use the new module synopsis support macros.
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index 76d2b1a..4a1558e 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -1,6 +1,8 @@
\section{Built-in Module \module{socket}}
-\label{module-socket}
-\bimodindex{socket}
+\declaremodule{builtin}{socket}
+
+\modulesynopsis{Low-level networking interface.}
+
This module provides access to the BSD \emph{socket} interface.
It is available on \UNIX{} systems that support this interface.