correct ontosys url - closes 1167329
diff --git a/Doc/lib/libxmlrpclib.tex b/Doc/lib/libxmlrpclib.tex
index 6430a2b..881a13a 100644
--- a/Doc/lib/libxmlrpclib.tex
+++ b/Doc/lib/libxmlrpclib.tex
@@ -32,7 +32,7 @@
default behaviour is for \code{None} to raise a \exception{TypeError}.
This is a commonly-used extension to the XML-RPC specification, but isn't
supported by all clients and servers; see
-\url{http://ontosys.com/xml-rpc/extensions.html} for a description.
+\url{http://ontosys.com/xml-rpc/extensions.php} for a description.
Both the HTTP and HTTPS transports support the URL syntax extension for
HTTP Basic Authentication: \code{http://user:pass@host:port/path}. The