Fix typo, closes hadley#1552

import.qmd

@@ -6,7 +6,7 @@
 source("_common.R")
 ```
 
-In this part of the book, you'll learn how to import a wider range of data into R, as well as how to get it into a form useful form for analysis.
+In this part of the book, you'll learn how to import a wider range of data into R, as well as how to get it into a form useful for analysis.
 Sometimes this is just a matter of calling a function from the appropriate data import package.
 But in more complex cases it might require both tidying and transformation in order to get to the tidy rectangle that you'd prefer to work with.