diff --git a/tibble.Rmd b/tibble.Rmd
index 89842db..563fcf2 100644
--- a/tibble.Rmd
+++ b/tibble.Rmd
@@ -8,7 +8,7 @@ If this chapter leaves you wanting to learn more about tibbles, you might enjoy
 
 ### Prerequisites
 
-In this chapter we'll explore the __tibble__ package. Most chapters don't load the tibble package explicitly, because we just using tibbles, not create them. Here we're going to create them by hand (not from an existing data source), so we'll need to load it explicitly.
+In this chapter we'll explore the __tibble__ package. Most chapters don't load the tibble package explicitly, because we're just using tibbles, not creating them. Here we're going to create them by hand (not from an existing data source), so we'll need to load it explicitly.
 
 ```{r setup}
 library(tibble)