diff --git a/tidy.Rmd b/tidy.Rmd
index 48ce5ca..b4d00df 100644
--- a/tidy.Rmd
+++ b/tidy.Rmd
@@ -260,7 +260,7 @@ So far you've learned how to tidy `table2` and `table4`, but not `table3`. `tabl
 table3
 ```
 
-The `rate` column contains both `cases` and `population` variable, and we need to split it into two variabes. `separate()` takes the name of the column to separate, and the names of the columns to separate into, as shown in \@ref(fig:tidy-separate) and the code below.
+The `rate` column contains both `cases` and `population` variables, and we need to split it into two variables. `separate()` takes the name of the column to separate, and the names of the columns to separate into, as shown in \@ref(fig:tidy-separate) and the code below.
 
 ```{r}
 table3 %>% 
@@ -296,7 +296,7 @@ table3 %>%
 
 ### Unite
 
-`unite()` is inverse of `separate()`: it combines multiple columns into a single column. You'll need it much less frequently that `separate()`, but it's still a useful tool to have in your back pocket.
+`unite()` is inverse of `separate()`: it combines multiple columns into a single column. You'll need it much less frequently than `separate()`, but it's still a useful tool to have in your back pocket.
 
 ![](images/tidy-18.png)