update ssl documentation
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 658d972..a0a6478 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -279,6 +279,15 @@
else:
raise
+.. method:: SSLSocket.unwrap()
+
+ Performs the SSL shutdown handshake, which removes the TLS layer
+ from the underlying socket, and returns the underlying socket
+ object. This can be used to go from encrypted operation over a
+ connection to unencrypted. The returned socket should always be
+ used for further communication with the other side of the
+ connection, rather than the original socket
+
.. method:: SSLSocket.getpeercert(binary_form=False)
If there is no certificate for the peer on the other end of the