Typo fix in download url (1 was inserted) (#40)

Signed-off-by: Marc-Aurèle Brothier <m@brothier.org>
diff --git a/source/downloads.md.erb b/source/downloads.md.erb
index 8554a51..4e5c9f6 100644
--- a/source/downloads.md.erb
+++ b/source/downloads.md.erb
@@ -84,7 +84,7 @@
             MD5
         </button>
     </a>
-    <a href="http://www.apache.org/dist/cloudstack/releases/<%= other_version %>1/apache-cloudstack-<%=     other_version %>-src.tar.bz2.sha512">
+    <a href="http://www.apache.org/dist/cloudstack/releases/<%= other_version %>/apache-cloudstack-<%=     other_version %>-src.tar.bz2.sha512">
         <button type="button" class="btn btn-info btn-xs">
             SHA512
         </button>