Smooth shading in video not the same on my Mac?

[mhulse]

Hi,

I'm learning from this video:

Making a quick car in Wings 3D
https://www.youtube.com/watch?v=JgPAmlXBaPM

Right at:

https://youtu.be/JgPAmlXBaPM?t=2m38s

It shows this:



His smooth shading looks much more smooth than my computer's shading. Here's what I see on my computer:



I was wondering, why would my smooth shading be more hard looking?

Thanks!