documentation fix

Author: tungol

Doc/library/socketserver.rst

@@ -20,7 +20,7 @@ There are four basic concrete server classes:
    This uses the internet TCP protocol, which provides for
    continuous streams of data between the client and server.
    If *bind_and_activate* is true, the constructor automatically attempts to
-   invoke :meth:`~BaseServer.server_bind` and
+   invoke :meth:`~TCPServer.server_bind` and
    :meth:`~BaseServer.server_activate`.  The other parameters are passed to
    the :class:`BaseServer` base class.