[doc] update User Guide: Change download page link.

Change-Id: I95414ee6d2d5a3607376be023b00dcdad5f7e4e3
Signed-off-by: Glenn Plouhinec <glenn.plouhinec@obeo.fr>
diff --git a/plugins/org.eclipse.emf.compare.doc/src/user/user-guide.mediawiki b/plugins/org.eclipse.emf.compare.doc/src/user/user-guide.mediawiki
index b1b6ac5..4f184ba 100644
--- a/plugins/org.eclipse.emf.compare.doc/src/user/user-guide.mediawiki
+++ b/plugins/org.eclipse.emf.compare.doc/src/user/user-guide.mediawiki
@@ -22,7 +22,7 @@
   http://download.eclipse.org/releases/helios
   http://download.eclipse.org/releases/galileo
 
-The [http://www.eclipse.org/emf/compare/downloads/ Download page] lists more specific update sites if you wish to try one of the latest integration builds.
+The [https://www.eclipse.org/emf/compare/download.html Download page] lists more specific update sites if you wish to try one of the latest integration builds.
 
 ==== Compatibility ====