Minor update of downloads/index.jsp, for https://code.google.com/p/selenium/issues/detail?id=7918

This is for https://code.google.com/p/selenium/issues/detail?id=7918.

Somehow Github is showing previous commits, too, for this pull request (as I'm writing this), but you've pulled those already. So I'm just asking to pull https://github.com/peter-kehl/www.seleniumhq.org/commit/a558cbf95d912f1b7a2db9e892293523e5314a4d.