Consistency:
"Unix" ==> "\UNIX{}"
diff --git a/Doc/lib/libfcntl.tex b/Doc/lib/libfcntl.tex
index 21f2514..15aeec2 100644
--- a/Doc/lib/libfcntl.tex
+++ b/Doc/lib/libfcntl.tex
@@ -38,13 +38,13 @@
\begin{funcdesc}{flock}{fd\, op}
Perform the lock operation \var{op} on file descriptor \var{fd}.
-See the Unix manual for details. (On some systems, this function is
-emulated using \code{fcntl}.)
+See the \UNIX{} manual for details. (On some systems, this function is
+emulated using \code{fcntl()}.)
\end{funcdesc}
\begin{funcdesc}{lockf}{fd\, code\, \optional{len\, \optional{start\, \optional{whence}}}}
This is a wrapper around the \code{F_SETLK} and \code{F_SETLKW}
-\code{fcntl()} calls. See the Unix manual for details.
+\code{fcntl()} calls. See the \UNIX{} manual for details.
\end{funcdesc}
If the library modules \code{FCNTL} or \code{IOCTL} are missing, you