Stop by Taco Bell for a free Nacho Cheese Doritos Locos Taco!

Taco Bell is offering a free Doritos Locos Taco to everyone every Tuesday through September 5th!
Offer valid on Tuesdays 8/22, 8/29, and 9/5 while supplies last. Limit one free taco per person, per day.
I got my free Doritos Locos Taco today 8/15 in Charles Town, WV. I was told that I needed to purchase another item. Not a problem since I was planning on getting a soft taco for my mother anyway.
The Taco Bell website says no purchase necessary.