another tiny fix.

Author: pavoljuhas

download.shtml

@@ -173,7 +173,7 @@ forum for tips and tricks and feedback.
 <!--#include virtual="pybin/download_index.py/download" -->
 
 <small>
-  Older releases can be found in the
+  Older releases are available in the
   <a href="download/archive">downloads archive</a>.
 </small>