diff --git a/curriculum/challenges/english/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.md b/curriculum/challenges/english/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.md
index 7731f012f88..ac0f7d676d6 100644
--- a/curriculum/challenges/english/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.md
+++ b/curriculum/challenges/english/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.md
@@ -88,49 +88,56 @@ The `remove` method should remove the greatest element from the max heap while m
 
 ```js
 function isHeap(arr, i, n) {
-  if (i >= (n - 1) / 2) {
-    return true;
-  }
-  if (
-    arr[i] >= arr[2 * i + 1] &&
-    arr[i] >= arr[2 * i + 2] &&
-    isHeap(arr, 2 * i + 1, n) &&
-    isHeap(arr, 2 * i + 2, n)
-  ) {
-    return true;
-  }
-  return false;
+    if( arr[i] < arr[2 * i + 1] || arr[i] < arr[2 * i + 2] ){
+        return false;
+    }
+    if (i > (n - 1) / 2) {
+        return true;
+    }
+    if (isHeap(arr, 2 * i + 1, n) && isHeap(arr, 2 * i + 2, n)) {
+        return true;
+    }
+    return false;
 }
 
+
 assert(
   (function () {
     let test = false;
+
     if (typeof MaxHeap !== 'undefined') {
       test = new MaxHeap();
     } else {
       return false;
     }
-  let max = Infinity;
-  const [result, vals] = [[], [2, 15, 3, 7, 12, 7, 10, 90]];
-  vals.forEach((val) => test.insert(val));
-  for (let i = 0; i < vals.length; i++) {
-    const curHeap = test.print();
-    const arr = curHeap[0] === null ? curHeap.slice(1) : curHeap;
-    if (!isHeap(arr, 0, arr.length - 1)) {
-      return false;
+    
+    let max = Infinity;
+    const [result, vals] = [[], [9, 3, 5, 2, 15, 3, 7, 12, 7, 10, 90]];
+
+    vals.forEach((val) => test.insert(val));
+
+    for (let i = 0; i < vals.length; i++) {
+      const curHeap = test.print();
+      const arr = curHeap[0] === null ? curHeap.slice(1) : curHeap;
+      
+      if (!isHeap(arr, 0, arr.length - 1)) {
+        return false;
+      }
+
+      const removed = test.remove();
+      if (!vals.includes(removed)) return false;
+      if (removed > max) return false
+      max = removed;
+      result.push(removed);
     }
-    const removed = test.remove();
-    if (!vals.includes(removed)) return false;
-    if (removed > max) return false
-    max = removed;
-    result.push(removed);
-  }
-  for (let i = 0; i < vals.length; i++) {
-     if (!result.includes(vals[i])) {
-       return false;
-     }
-  }
-  return true
+    
+    for (let i = 0; i < vals.length; i++) {
+      if (!result.includes(vals[i])) {
+        return false;
+      }
+    }
+    
+    return true;
   })()
 );
 ```