diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.md
index 19dd59b605..2f94f0bcfe 100644
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.md
@@ -38,6 +38,12 @@ assert(
 );
 ```
 
+`zeroArray(4,3)` should return an array holding 4 rows of 3 columns of zeroes each.
+
+```js
+assert(JSON.stringify(zeroArray(4,3)) == '[[0,0,0],[0,0,0],[0,0,0],[0,0,0]]');
+```
+
 # --seed--
 
 ## --seed-contents--
@@ -62,6 +68,7 @@ function zeroArray(m, n) {
 
 let matrix = zeroArray(3, 2);
 console.log(matrix);
+
 ```
 
 # --solutions--
@@ -86,4 +93,5 @@ function zeroArray(m, n) {
 
 let matrix = zeroArray(3, 2);
 console.log(matrix);
+
 ```