Render comments/documentation

I feel like i'm losing my mind. I can see the rendered documentation/comments on the sample main.go when creating a new project. But on any other file, and in any other project - my comment blocks do not render to look pretty - i just see comment blocks.

I checked PHP storm and Web storm, and it works as expected. But for the life of me i can't make it work in GoLand. I've checked the boxes to render comments. I've spent all day trying different settings, removing plugins, scouring Google and these forums. 

Given how little i can find about this, and seemingly no one else with the issue, i feel like at this point it must be something dumb -  anyone have any ideas? 

For what it's worth - it's happening (or rather not happening) on my work and my home Mac's