diff --git a/src/content/4/en/part4a.md b/src/content/4/en/part4a.md
index 1efe6949dec..81fc1788524 100644
--- a/src/content/4/en/part4a.md
+++ b/src/content/4/en/part4a.md
@@ -563,7 +563,7 @@ Individual test cases are defined with the _test_ function. The first argument o
}
```
-First, we execute the code to be tested, meaning that we generate a reverse for the string react. Next, we verify the results with the the method [strictEqual](https://nodejs.org/docs/latest/api/assert.html#assertstrictequalactual-expected-message) of the [assert](https://nodejs.org/docs/latest/api/assert.html) library.
+First, we execute the code to be tested, meaning that we generate a reverse for the string react. Next, we verify the results with the method [strictEqual](https://nodejs.org/docs/latest/api/assert.html#assertstrictequalactual-expected-message) of the [assert](https://nodejs.org/docs/latest/api/assert.html) library.
As expected, all of the tests pass: