diff --git a/variation.Rmd b/variation.Rmd
index 752f976..6f3ce40 100644
--- a/variation.Rmd
+++ b/variation.Rmd
@@ -663,7 +663,7 @@ A model is a type of summary that describes the relationships in your data. You
 ```{r echo = FALSE}
 diamonds2 <- filter(diamonds, x > 3, y > 3, y < 12)
 diamond_mod <- lm(y ~ x, data = diamonds2)
-resids <- augment(diamond_mod)
+resids <- broom::augment(diamond_mod)
 diamonds3 <- bind_rows(filter(resids, abs(.resid) > 0.5),  
                        sample_n(filter(resids, abs(.resid) <= 0.5), 1000)) %>% 
   select(x, y)