diff --git a/iteration.Rmd b/iteration.Rmd
index 9779384..f74fa27 100644
--- a/iteration.Rmd
+++ b/iteration.Rmd
@@ -484,7 +484,7 @@ The pattern of looping over a vector, doing something to each element and saving
 
 * `map()`     makes a list.
 * `map_lgl()` makes a logical vector.
-* `map_int()` makes a integer vector.
+* `map_int()` makes an integer vector.
 * `map_dbl()` makes a double vector.
 * `map_chr()` makes a character vector.
 
@@ -645,7 +645,7 @@ In this section you'll learn how to deal this situation with a new function: `sa
 
 1. `result` is the original result. If there was an error, this will be `NULL`.
 
-1. `error` is an error object. If the operation was successful this will be 
+1. `error` is an error object. If the operation was successful, this will be 
    `NULL`.
 
 (You might be familiar with the `try()` function in base R. It's similar, but because it sometimes returns the original result and it sometimes returns an error object it's more difficult to work with.)