Add renaming notices to 3.0 http package members.
diff --git a/Doc/library/httplib.rst b/Doc/library/httplib.rst
index 9d6baba..ce6222b 100644
--- a/Doc/library/httplib.rst
+++ b/Doc/library/httplib.rst
@@ -1,10 +1,14 @@
-
 :mod:`httplib` --- HTTP protocol client
 =======================================
 
 .. module:: httplib
    :synopsis: HTTP and HTTPS protocol client (requires sockets).
 
+.. note::
+   The :mod:`httplib` module has been renamed to :mod:`http.client` in Python
+   3.0.  The :term:`2to3` tool will automatically adapt imports when converting
+   your sources to 3.0.
+
 
 .. index::
    pair: HTTP; protocol