typos, layout and other small things
diff --git a/Doc/libmactcp.tex b/Doc/libmactcp.tex
index 561284b..6c5a78b 100644
--- a/Doc/libmactcp.tex
+++ b/Doc/libmactcp.tex
@@ -8,7 +8,8 @@
interface to the name-server (allowing you to translate hostnames to
ip-addresses), a module \code{MACTCP} which has symbolic names for
constants constants used by MacTCP and a wrapper module \code{socket}
-which mimics the \UNIX{} socket interface (as far as possible).
+which mimics the \UNIX{} socket interface (as far as possible). It may
+not be available in all Mac Python versions.
A complete description of the MacTCP interface can be found in the
Apple MacTCP API documentation.