On the Freebitcoin review page under The Multiplier it says this.

You can also use the multiplier bar which allows you to increase you from 2x all the way to 100x.

Suggest it reads this.

your free bitcoins

Like below.

You can also use the multiplier bar which allows you to increase your free bitcoins from 2x all the way to 100x.

Going out now but will keep having a look over your site.