Revert "Use 'latest' instead of last release number to link release notes"

This reverts commit f94070e742ebbff4dea9610ccc0d68ad48771c70.
diff --git a/source/downloads.md.erb b/source/downloads.md.erb
index 55419bd..4e5c9f6 100644
--- a/source/downloads.md.erb
+++ b/source/downloads.md.erb
@@ -161,11 +161,11 @@
 
 <h4>Release Notes for CloudStack <%= data.cloudstack.versions.main %></h4>
 
-<p>Full release notes can be found in the <a href="http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/latest/">Version <%= data.cloudstack.versions.main %> Release Notes</a> document.</p>
+<p>Full release notes can be found in the <a href="http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/<%= data.cloudstack.versions.branch %>/">Version <%= data.cloudstack.versions.main %> Release Notes</a> document.</p>
 
 <p>Instructions for building from source and installing Apache CloudStack can be found in the <a href="http://docs.cloudstack.apache.org/projects/cloudstack-installation/en/latest/">Installation Guide</a>.</p>
 
-<p>Instructions for building from source and upgrading from a previous version of CloudStack to Apache CloudStack <%= data.cloudstack.versions.main%> can be found in the upgrade section of the <a href="http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/latest/">Release Notes</a>.</p>
+<p>Instructions for building from source and upgrading from a previous version of CloudStack to Apache CloudStack <%= data.cloudstack.versions.main%> can be found in the upgrade section of the <a href="http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/<%= data.cloudstack.versions.branch %>/">Release Notes</a>.</p>
 
 <a name="cloudmonkey"></a>