Remove traces of rfc822.
diff --git a/Lib/smtplib.py b/Lib/smtplib.py
index e67f0d6..d59e6b1 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -131,7 +131,7 @@
 def quoteaddr(addr):
     """Quote a subset of the email addresses defined by RFC 821.
 
-    Should be able to handle anything rfc822.parseaddr can handle.
+    Should be able to handle anything email.utils.parseaddr can handle.
     """
     m = (None, None)
     try: