(SOLVED) End User License Agreement question

[aniruddha]

During the purchase of Penumbra: Overture for Linux I came across the following line in the End User License Agreement:

4. The Software may be loaded onto no more than one computer. A single copy may be made for backup purposes only.

I wonder what this means. I own a desktop and laptop, does this mean I have to purchase a version for each computer? I can't imagine that that is true?!