Keep Server alias as a sentence in ServerProxy description

Author: jang-hs

Doc/library/xmlrpc.client.rst

@@ -142,6 +142,9 @@ between conformable Python objects and XML on the wire.
    via XML-RPC, use :class:`bytes` or :class:`bytearray` classes or the
    :class:`Binary` wrapper class described below.
 
+   :class:`!Server` is retained as an alias for :class:`ServerProxy` for backwards
+   compatibility.  New code should use :class:`ServerProxy`.
+
    .. versionchanged:: 3.5
       Added the *context* argument.
 
@@ -153,12 +156,6 @@ between conformable Python objects and XML on the wire.
       See https://ws.apache.org/xmlrpc/types.html for a description.
 
 
-.. class:: Server
-
-   Retained as an alias for :class:`ServerProxy` for backwards compatibility.
-   New code should use :class:`ServerProxy`.
-
-
 .. exception:: Error
 
    Base class of the :exc:`Fault` and :exc:`ProtocolError` exceptions.