Why Is The Platform Section Missing From Unity Ads Service?

I’m trying to enable unity ads for one of my android projects.

However, when I enable the service, my options do not looks the same as the quick start guide.

Is this just a case of out-dated documentation or am I missing something?

I’m using Unity 5.6.1f1

From Quick Start Guide:

From Unity Panel:

I was having this issue too. It looks like it changed recently. Follow this guide, and use ‘Advertisement.Show()’ to show your ad.