diff --git a/model-many.Rmd b/model-many.Rmd
index e58de50..83ba13c 100644
--- a/model-many.Rmd
+++ b/model-many.Rmd
@@ -33,7 +33,7 @@ The following sections will dive into more detail about the individual technique
    provided by broom, and see how they can be applied to other types of 
    data structure.
 
-This chapter is somewhat aspirational: if this book is your first introduction to R, this chapter is likely to be a struggle. It requires you have to deeply internalised ideas about modelling, data structures, and iteration. So don't worry if you don't get it --- just put this chapter aside for a few months, and come back when you want to stretch your brain. 
+This chapter is somewhat aspirational: if this book is your first introduction to R, this chapter is likely to be a struggle. It requires you to have deeply internalised ideas about modelling, data structures, and iteration. So don't worry if you don't get it --- just put this chapter aside for a few months, and come back when you want to stretch your brain. 
 
 ### Prerequisites