Added module references; minor grammatical fixes.
All suggested by Eric Raymond.
diff --git a/Doc/lib/libftplib.tex b/Doc/lib/libftplib.tex
index 5ef9e7e..4014052 100644
--- a/Doc/lib/libftplib.tex
+++ b/Doc/lib/libftplib.tex
@@ -70,6 +70,10 @@
 
 
 \begin{seealso}
+  \seemodule{netrc}{Parser for the \file{.netrc} file format.  The file
+                    \file{.netrc} is typically used by FTP clients to
+                    load user authentication information before prompting
+                    the user.}
   \seetext{The file \file{Tools/scripts/ftpmirror.py}\index{ftpmirror.py}
            in the Python source distribution is a script that can mirror
            FTP sites, or portions thereof, using the \module{ftplib} module.