add cross reference to mimetools module
diff --git a/Doc/lib/librfc822.tex b/Doc/lib/librfc822.tex
index 547923d..9d35830 100644
--- a/Doc/lib/librfc822.tex
+++ b/Doc/lib/librfc822.tex
@@ -93,6 +93,8 @@
 \begin{seealso}
   \seemodule{mailbox}{Classes to read various mailbox formats produced 
                       by end-user mail programs.}
+  \seemodule{mimetools}{Subclass of rfc.Message that handles MIME encoded
+		        messages.} 
 \end{seealso}