diff --git a/docs/act_start_chapter.sgml b/docs/act_start_chapter.sgml
index d595c52cd90fea0912c59920db82274e6df90f4d..c2e25efcac51b41cc3354f459400cfb8526f325b 100644
--- a/docs/act_start_chapter.sgml
+++ b/docs/act_start_chapter.sgml
@@ -24,7 +24,7 @@ The <COMMAND>blastall</COMMAND> command must be run with the <COMMAND>-m
           <TITLE>MEGABLAST output</TITLE>
           <PARA>
 ACT can also read the output of <ULINK
-URL="http://www.ncbi.nlm.nih.gov/BLAST/bl2seq/megablast.html">MEGABLAST</ULINK>,
+URL="http://www.ncbi.nlm.nih.gov/blast/megablast.shtml">MEGABLAST</ULINK>,
 which is part of the blast distribution.
           </PARA>
         </FORMALPARA>