[DOXIASITETOOLS-175] update Velocity Engine link

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-sitetools/trunk@1784441 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/doxia-site-renderer/src/site/apt/index.apt.vm b/doxia-site-renderer/src/site/apt/index.apt.vm
index b552fc1..93efb2c 100644
--- a/doxia-site-renderer/src/site/apt/index.apt.vm
+++ b/doxia-site-renderer/src/site/apt/index.apt.vm
@@ -34,7 +34,7 @@
 
   Documents can be dynamically generated with {{{/doxia/doxia/doxia-sink-api/}Doxia Sink API}}, like Maven reports,
   or simply read from static files written in {{{/doxia/references/index.html}markup supported by Doxia Parsers}},
-  eventually processed by {{{http://velocity.apache.org/engine/releases/velocity-1.5/}Velocity}}
+  eventually processed by {{{http://velocity.apache.org/engine/1.7/}Velocity}}
   if their file names end in <<<.vm>>>.
 
 [doxia-site-renderer.png]