diff --git a/intro.qmd b/intro.qmd
index 05fe41c..14625a1 100644
--- a/intro.qmd
+++ b/intro.qmd
@@ -143,7 +143,9 @@ For this book, make sure you have at least RStudio 2022.02.0.
 
 When you start RStudio, @fig-rstudio-console, you'll see two key regions in the interface: the console pane and the output pane.
 For now, all you need to know is that you type the R code in the console pane and press enter to run it.
-You'll learn more as we go along!
+You'll learn more as we go along![^intro-1]
+
+[^intro-1]: If you'd like a comprehensive overview of all of RStudio's features, see the RStudio User Guide at <https://docs.posit.co/ide/user>.
 
 ```{r}
 #| label: fig-rstudio-console