Fixed Issue1424152, urllib2 fails with HTTPS over Proxy.
diff --git a/Doc/library/httplib.rst b/Doc/library/httplib.rst
index e48c95c..9a5acc1 100644
--- a/Doc/library/httplib.rst
+++ b/Doc/library/httplib.rst
@@ -428,6 +428,12 @@
debug level is ``0``, meaning no debugging output is printed.
+.. method:: HTTPConnection.set_tunnel(host,port=None)
+
+ Set the host and the port for HTTP Connect Tunnelling. Normally used when
+ it is required to do HTTPS Conection through a proxy server.
+
+
.. method:: HTTPConnection.connect()
Connect to the server specified when the object was created.