Add missing versionadded note to new exception class

1 files changed, 2 insertions, 0 deletions

diff --git a/paramiko/ssh_exception.py b/paramiko/ssh_exception.py
index 02f3e52e..016a411e 100644
--- a/paramiko/ssh_exception.py
+++ b/paramiko/ssh_exception.py
@@ -156,6 +156,8 @@ class NoValidConnectionsError(socket.error):
     It is implied/assumed that all the errors given to a single instance of
     this class are from connecting to the same hostname + port (and thus that
     the differences are in the resolution of the hostname - e.g. IPv4 vs v6).
+
+    .. versionadded:: 1.16
     """
     def __init__(self, errors):
         """