diff --git a/doc/html/format.html b/doc/html/format.html
index 4d0b21f8..5f103020 100644
--- a/doc/html/format.html
+++ b/doc/html/format.html
@@ -85,7 +85,7 @@
 	<P>
 	<UL>
 		<LI>
-			<A HREF="http://svr-www.eng.cam.ac.uk/~ajr/">A. J. Robinson</A> for his work on <A HREF="http://svr-www.eng.cam.ac.uk/~ajr/GroupPubs/Robinson94-tr156/index.html">Shorten</A>; his code and paper are a good starting point on some of the basic methods used by FLAC.  FLAC expands on the fixed predictors used in shorten.
+			<A HREF="http://svr-www.eng.cam.ac.uk/~ajr/">A. J. Robinson</A> for his work on <A HREF="http://www-svr.eng.cam.ac.uk/reports/abstracts/robinson_tr156.html">Shorten</A>; his paper is a good starting point on some of the basic methods used by FLAC.  FLAC expands on the fixed predictors used in shorten.
 		</LI>
 		<LI>
 			<A HREF="http://commsci.usc.edu/faculty/golomb.html">S. W. Golomb</A> and Robert F. Rice; their universal codes are used by FLAC's entropy coder.