diff --git a/wrangle.Rmd b/wrangle.Rmd
index aca165d..4b48023 100644
--- a/wrangle.Rmd
+++ b/wrangle.Rmd
@@ -15,7 +15,7 @@ Data wrangling is import because it allows you to work with your own data. You'l
     from regular data frames, and how you can construct them "by hand".
 
 *   In [data import], you'll learn the art of data import: how to get your 
-    data off of disk and into R. We'll focus on plain-text rectangular
+    data from disk and into R. We'll focus on plain-text rectangular
     formats, but will give you pointers to packages that help with other
     types of data.