Rephrasing of sentence

[ramiromagno]

In this line:

https://github.com/tidyverse/tidyeval/blob/7844627232e24c457c0ecdc9b6c716de61c80ec3/introduction.Rmd#L275

you say:

We have already mentioned the vectorisation of toupper(), and many other functions in R are vectorised.

But I have not found this mention. At least, not in this book :)