Make docs work on master

[pdeffebach]

Docs passed when working on #294, which is why I merged it. But now they fail again on master.

Need to figure out why this is happening.

[bkamins]

it seems they pass on master - can you double check (you probably know best where to check 😄)

[pdeffebach]

I mean there is still a red X on the most recent commit to master on the landing page. I think that means the docs aren't working

[bkamins]

Ah - yes. I looked in the wrong place. It is broken