Fix URL to the latest version

Change-Id: Iab0c6811e07ea755e2df71b1cae7d4972b045d88
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
diff --git a/download.html b/download.html
index 1260a02..75e7215 100644
--- a/download.html
+++ b/download.html
@@ -265,8 +265,8 @@
                             <br>
                             <h5>Latest Release</h5>
 							<p>Add this URL to your Eclipse Installation to reach Sirius Update Site.</p>
-							<p><input type="text" value="http://download.eclipse.org/sirius/updates/releases/6.3.4/2020-06"></p>
-							<p>You can also download the corresponding <a href="http://download.eclipse.org/sirius/updates/releases/6.3.4/org.eclipse.sirius-6.3.4-2020-06.zip">zipped archive</a> for offline installation.</p>
+							<p><input type="text" value="http://download.eclipse.org/sirius/updates/releases/6.4.2/2020-06"></p>
+							<p>You can also download the corresponding <a href="http://download.eclipse.org/sirius/updates/releases/6.4.2/org.eclipse.sirius-6.4.2-2020-06.zip">zipped archive</a> for offline installation.</p>
 							<br>
 							<h5>Latest Nightly</h5>
 							<p>Add this URL to your Eclipse Installation to reach Sirius Update Site.</p>