Good question! I wanted to focus on helping users practice typing code with its often cumbersome symbols. The majority of comments are prose, comfortably near t

Good question! I wanted to focus on helping users practice typing code with its often cumbersome symbols. The majority of comments are prose, comfortably near the home row, which I didn't feel deserved as much attention. Plus some comments (like the ones in the Guava projects) are longer than the code.