diff --git a/intro.qmd b/intro.qmd
index 285cd67..a007f44 100644
--- a/intro.qmd
+++ b/intro.qmd
@@ -213,7 +213,7 @@ This doesn't make them better or worse, just different.
 In other words, the complement to the tidyverse is not the messyverse but many other universes of interrelated packages.
 As you tackle more data science projects with R, you'll learn new packages and new ways of thinking about data.
 
-In this book, we'll use three data packages from outside the tidyverse:
+In this book, we'll use five data packages from outside the tidyverse:
 
 ```{r}
 #| eval: false
@@ -221,7 +221,7 @@ In this book, we'll use three data packages from outside the tidyverse:
 install.packages(c("gapminder", "Lahman", "nycflights13", "palmerpenguins", "wakefield"))
 ```
 
-These packages provide data on world development, baseball, airline flights, and body measurements of penguins that we'll use to illustrate key data science ideas.
+These packages provide data on world development, baseball, airline flights, and body measurements of penguins that we'll use to illustrate key data science ideas, while the final one helps generate random data sets.
 
 ## Running R code