diff --git a/joins.qmd b/joins.qmd
index e6ed410..78d76af 100644
--- a/joins.qmd
+++ b/joins.qmd
@@ -908,6 +908,6 @@ You also understand how joins work and how to figure out how many rows the outpu
 Finally, you've gained a glimpse into the power of non-equi joins and seen a few interesting use cases.
 
 This chapter concludes the "Transform" part of the book where the focus was on the tools you could use with individual columns and tibbles.
-You learned about dplyr and base functions for working with logical vectors, numbers, and complete tables, stringr functions for working strings, lubridate functions for working with date-times, and forcats functions for working with factors.
+You learned about dplyr and base functions for working with logical vectors, numbers, and complete tables, stringr functions for working with strings, lubridate functions for working with date-times, and forcats functions for working with factors.
 
 In the next part of the book, you'll learn more about getting various types of data into R in a tidy form.