Hyperlinks in demo/demo.html are broken

I found hyperlinks in demo\demo.html was broken.

Broken hyperlinks were found in next sentence :
This directory contains example programs. For a complete description, see Getting Started with Apache Derby <http://incubator.apache.org/derby/docs/getstart/> and the Apache Derby Server and Administration Guide <http://incubator.apache.org/derby/docs/adminguide/>.

Getting Started with Apache Derby <http://incubator.apache.org/derby/docs/getstart/> and
Apache Derby Server and Administration Guide <http://incubator.apache.org/derby/docs/adminguide/> seem to be expired link .