diff --git a/doc/index.html b/doc/index.html
index 7cb74b52a24..859a83ab017 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -105,7 +105,7 @@ the following new features:
     <dd>
     Windows
     <ul class="normal">
-      <li> GRASS included with windows build is from : GRASS 6.3
+      <li> GRASS included with windows build is from : GRASS 6.4RC1</li>
     </ul>
     </dd>
     </dt>