"In this case the user agent should return 'true' for a 'click' input " is unclear

[smaug----]

There is a note which for some reason talks about the API returning true for a particular event. But isInputPending doesn't take event type as an argument. The same note talks about step 2.1 which doesn't exist.

[acomminos]

Cleaned up the algorithm's notes section in #47, PTAL!