diff --git a/1-js/03-code-quality/05-testing-mocha/article.md b/1-js/03-code-quality/05-testing-mocha/article.md
index e9b5e96c..e387b404 100644
--- a/1-js/03-code-quality/05-testing-mocha/article.md
+++ b/1-js/03-code-quality/05-testing-mocha/article.md
@@ -160,7 +160,7 @@ We can select one of two ways to organize the test here:
       });
 
       it("3 raised to power 3 is 27", function() {
-        assert.equal(pow(3, 3), 27);
+        assert.equal(pow(3, 4), 81);
       });
 
     });