diff --git a/functions.Rmd b/functions.Rmd
index 5df09ef..8cb9f1b 100644
--- a/functions.Rmd
+++ b/functions.Rmd
@@ -749,10 +749,13 @@ dim(x)
 
 And we can still use it in a pipe:
 
+```{r, include = FALSE}
+library(dplyr)
+```
 ```{r}
 mtcars %>% 
   show_missings() %>% 
-  dplyr::mutate(mpg = ifelse(mpg < 20, NA, mpg)) %>% 
+  mutate(mpg = ifelse(mpg < 20, NA, mpg)) %>% 
   show_missings() 
 ```