I believe you copied that quote from an older source. At one time, they made a typo in their news report -- they meant 250, not 500. The site represents that more better. Just go to your dashboard, click on support, and it will show this:
But as @silverraven0 and @joannekwan said -- those who have it activated without the necessary amount were participating in the Inkgiving event that just passed. There will be another one coming up soon in 6 months or so, so you could probably get support then as well!