diff --git a/iteration.qmd b/iteration.qmd
index 2e7148a..b37b630 100644
--- a/iteration.qmd
+++ b/iteration.qmd
@@ -862,18 +862,18 @@ x |>
 ```
 
 `walk()` is generally not that useful compared to `walk2()` or `pwalk()`.
-For example, if you had a list of plots and a vector of file names, you could use `pwalk()` to save each file to the corresponding location on disk:
+For example, if you had a list of plots and a vector of file names, you could use `walk2()` to save each file to the corresponding location on disk:
 
 ```{r}
 #| eval: false
+library(tidyverse)
 
-library(ggplot2)
 plots <- mtcars |> 
-  split(.$cyl) |> 
+  split(mtcars$cyl) |> 
   map(~ggplot(.x, aes(mpg, wt)) + geom_point())
-paths <- stringr::str_c(names(plots), ".pdf")
+paths <- str_c(names(plots), ".pdf")
 
-pwalk(list(paths, plots), ggsave, path = tempdir())
+walk2(paths, plots, ggsave, path = tempdir())
 ```
 
 `walk()`, `walk2()` and `pwalk()` all invisibly return `.`, the first argument.