Update javascript1/week4/exercises/level2.md

Co-authored-by: Marco Richetta <[email protected]>

Author: bhas

javascript1/week4/exercises/level2.md

@@ -102,7 +102,7 @@ printPassengerInfo("Robert", 21, 190, false);
 
 
 
-## 🔎🧱 2.3 Implement a Almost-Math tool
+## 🔎🧱 2.3 Implement an Almost-Math tool
 1. Write a function called `sumEvenNumbers` that takes an array of numbers and returns the sum of only the even numbers in the array.
     ```js
     sumEvenNumbers([1, 2, 3, 4, 5, 6]);