diff --git a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-introductory-javascript-by-building-a-pyramid-generator/66643c93e05093c728abdbe9.md b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-introductory-javascript-by-building-a-pyramid-generator/66643c93e05093c728abdbe9.md
index 4a331bd6098..71004c96b0c 100644
--- a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-introductory-javascript-by-building-a-pyramid-generator/66643c93e05093c728abdbe9.md
+++ b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-introductory-javascript-by-building-a-pyramid-generator/66643c93e05093c728abdbe9.md
@@ -33,7 +33,13 @@ You should have a function called `addTwoNumbers`.
 assert.isFunction(addTwoNumbers);
 ```
 
-Your function should return the sum of the two numbers.
+Your function `addTwoNumbers` should have two parameters.
+
+```js
+assert.lengthOf(addTwoNumbers, 2);
+```
+
+Your function should return the sum of the two parameters.
 
 ```js
 assert.strictEqual(addTwoNumbers(5,10), 15);