It's now using mimetools instead of rfc822
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
index 2eaa5f3..8fe7132 100644
--- a/Doc/lib/liburllib.tex
+++ b/Doc/lib/liburllib.tex
@@ -31,10 +31,10 @@
required.)
The \code{info()} method returns an instance of the class
-\code{rfc822.Message} containing the headers received from the server,
+\code{mimetools.Message} containing the headers received from the server,
if the protocol uses such headers (currently the only supported
protocol that uses this is HTTP). See the description of the
-\code{rfc822} module.
+\code{mimetools} module.
\end{funcdesc}
\begin{funcdesc}{urlretrieve}{url}