Section 2.4.4: there is an extra space between the word "argument" and the comma in the sentence:
"_To read this into R using the readdelim function, we specify the path to the file as the first argument, provide the tab character "\t" as the delim argument ,"
Craigslist figures are a little hard to read particularly Fig. 2.4, 2.5, 2.6, not sure if there is a way to modify these...