diff --git a/relational-data.Rmd b/relational-data.Rmd
index 027f445..89386a8 100644
--- a/relational-data.Rmd
+++ b/relational-data.Rmd
@@ -154,7 +154,7 @@ Like `mutate()`, the join functions add variables to the right, so if you have a
 
 (When you're in RStudio, you can use `View()` to avoid this problem).
 
-For example, imagine you want to add the full airline name to the `flights` data. You can combine the `airlines` and `carrier` data frames with `left_join()`:
+For example, imagine you want to add the full airline name to the `flights2` data. You can combine the `airlines` and `flights2` data frames with `left_join()`:
 
 ```{r}
 flights2 %>%