diff --git a/mocking.md b/mocking.md
index e4c99eda..8d6a641e 100644
--- a/mocking.md
+++ b/mocking.md
@@ -180,7 +180,7 @@ func Countdown(out io.Writer) {
 }
 ```
 
-Use a `for` loop counting backwards with `i--` and use `fmt.Fprintln` to print to `out` with our number followed by a newline character. Finally use `fmt.Fprint` to send "Go!" aftward.
+Use a `for` loop counting backwards with `i--` and use `fmt.Fprintln` to print to `out` with our number followed by a newline character. Finally, use `fmt.Fprint` to send "Go!" afterward.
 
 ## Refactor
 
@@ -677,4 +677,4 @@ func countDownFrom(from int) iter.Seq[int] {
 }
 ```
 
-This is a simple iterator, which will yield numbers in reverse order, starting from, `from` - perfect for our usecase. 
\ No newline at end of file
+This is a simple iterator, which will yield numbers in reverse order, starting from, `from` - perfect for our usecase.