<img width="944" alt="image" src="https://user-images.githubusercontent.com/28870501/108574803-289a6000-72cd-11eb-9eaf-c1eba4ad9c87.png"> Typo here. The line we want to add to our cellForRowAt function should be cell.setBoxContents, not cell.setCellContents.

Typo here. The line we want to add to our cellForRowAt function should be cell.setBoxContents, not cell.setCellContents.