22.4 Exercise 1 (2.2 Question 5)

[pauluhn]

In the book, 22.4 exercise 1 refers to data Master which cannot be found.

It should be corrected to People which was found on EdX's Section 2: Tidy Data / 2.2: Combining Tables / Introduction to Questions 5-7

[rafalab]

Thanks! Just fixed it. It should show up next time the html for the book gets updated. Thanks!