diff --git a/model.Rmd b/model.Rmd
index a1f1248..cc36bb1 100644
--- a/model.Rmd
+++ b/model.Rmd
@@ -46,7 +46,7 @@ I've narrowed the data down to 10 variables:
 * `id` - A number ot identify each subject
 * `income` - The self-reported income of each subject
 * `height` - The height of each subject in inches
-* `weight` - The weight of each subject in inches
+* `weight` - The weight of each subject in pounds
 * `sex` - The sex of each subject
 * `race` - The race of each subject
 * `education` - The number of years of education completed by each subject
diff --git a/robust-code.Rmd b/robust-code.Rmd
index 29750f2..cedf547 100644
--- a/robust-code.Rmd
+++ b/robust-code.Rmd
@@ -42,7 +42,7 @@ You might notice that these issues revolve around data frames. That's unfortunat
 
 ```{r}
 df <- data.frame(xy = c("x", "y"))
-# Character vectors work hard to work with for a long time, so R
+# Character vectors were hard to work with for a long time, so R
 # helpfully converts to a factor for you:
 class(df$xy)