diff --git a/Doc/lib/libsocksvr.tex b/Doc/lib/libsocksvr.tex
index 0cee090..98ffec6 100644
--- a/Doc/lib/libsocksvr.tex
+++ b/Doc/lib/libsocksvr.tex
@@ -11,8 +11,8 @@
 are discrete packets of information that may arrive out of order or be
 lost while in transit.  The more infrequently used
 \code{UnixStreamServer} and \code{UnixDatagramServer} classes are
-similar, but use Unix domain sockets; they're not available on
-non-Unix platforms.  For more details on network programming, consult
+similar, but use \UNIX{} domain sockets; they're not available on
+non-\UNIX{} platforms.  For more details on network programming, consult
 a book such as W. Richard Steven's \emph{UNIX Network Programming}
 or Ralph Davis's \emph{Win32 Network Programming}.