Info file for D7 is set to core 6.x

I have downloaded the 7.x-1.0-alpha1 but the info file is set to core = 6.x. Changing it to 7.x does not help.

name = Elements theme
description = Minimalistic two-column theme.
screenshot = images/screenshot.png
core = 6.x
engine = phptemplate
features[] = name
features[] = slogan
features[] = favicon
features[] = primary_links
stylesheets[all][] = style.css
regions[left] = Left sidebar
regions[footer] = Footer
; Information added by drupal.org packaging script on 2012-11-02
version = "7.x-1.0-alpha1"
core = "7.x"
project = "elements_theme"
datestamp = "1351855917"