ssl: add a docstring to wrap_socket

gevent/ssl.py

@@ -339,6 +339,7 @@ def wrap_socket(sock, keyfile=None, certfile=None,
                 ssl_version=PROTOCOL_SSLv23, ca_certs=None,
                 do_handshake_on_connect=True,
                 suppress_ragged_eofs=True):
+    """Create a new :class:`SSLSocket` instance."""
     return SSLSocket(sock, keyfile=keyfile, certfile=certfile,
                      server_side=server_side, cert_reqs=cert_reqs,
                      ssl_version=ssl_version, ca_certs=ca_certs,