Page 506, 1st paragraph "...resulted in (1,5) or (2,4) ..., which can be decomposes to five simple events..." Change "decomposes" to "decomposed" <img width="778" alt="Screen Shot 2020-08-26 at 10 11 31 PM" src="https://user-images.githubusercontent.com/24256419/91387003-1a212f00-e7e9-11ea-8aed-3a084a13e650.png">