diff --git a/templates/web/validate_token.tt2.html b/templates/web/validate_token.tt2.html
index d8b3bd679f2ac86c226e0ae836fb581185d4960f..29812de2050436909021e689850797c31da78cb7 100644
--- a/templates/web/validate_token.tt2.html
+++ b/templates/web/validate_token.tt2.html
@@ -64,7 +64,7 @@
 	</div>
 
             <div class="alert-box info radius">If you need a customized test account with additionnal user attributes, you should contact <a href="mailto:[% conf.support_email %]">[% conf.support_email %]</a>.</div>
-            <div>(1) eduPersonAffiliation and eduPersonScoppedAffilisation attributes are assigned quite differently from federation to federation. <a href="https://www.terena.org/activities/refeds/docs/ePSAcomparison_0_13.pdf">This usage comparison of eduPersonAffiliation accross different countries</a> discusses these differences. Therefore its values should be handled with great care. </div>
+            <div>(1) eduPersonAffiliation and eduPersonScoppedAffilisation attributes are assigned quite differently from federation to federation. <a href="http://tnc2010.terena.org/files/ePSA%20comparison%20v0%2006.ppt">This usage comparison of eduPersonAffiliation accross different countries</a> discusses these differences. Therefore its values should be handled with great care. </div>
     
 			<a class="close-reveal-modal">&#215;</a>
         </div>