From 5318c7aa59ed5fce0fcfdb775d030b9090cef39a Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Wed, 7 Jan 2015 11:26:50 -0600
Subject: [PATCH] explain None can be returned

---
 Lib/ssl.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Lib/ssl.py b/Lib/ssl.py
index 658e8a722d3..386702b5577 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -573,7 +573,9 @@ class SSLObject:
         return self._sslobj.cipher()
 
     def shared_ciphers(self):
-        """Return the ciphers shared by the client during the handshake."""
+        """Return the a list of ciphers shared by the client during the
+        handshake or None if this is not a valid server connection.
+        """
         return self._sslobj.shared_ciphers()
 
     def compression(self):