Closes #26442: fix copy-paste.

Author: birkenfeld

Doc/library/xmlrpc.server.rst

@@ -18,7 +18,7 @@ servers written in Python.  Servers can either be free standing, using
 
 .. warning::
 
-   The :mod:`xmlrpc.client` module is not secure against maliciously
+   The :mod:`xmlrpc.server` module is not secure against maliciously
    constructed data.  If you need to parse untrusted or unauthenticated data see
    :ref:`xml-vulnerabilities`.