diff --git a/curriculum/challenges/english/14-responsive-web-design-22/learn-html-by-building-a-cat-photo-app/5dc24073f86c76b9248c6ebb.md b/curriculum/challenges/english/14-responsive-web-design-22/learn-html-by-building-a-cat-photo-app/5dc24073f86c76b9248c6ebb.md
index 32ba8a45d2d..1dfd8dd2abc 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/learn-html-by-building-a-cat-photo-app/5dc24073f86c76b9248c6ebb.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/learn-html-by-building-a-cat-photo-app/5dc24073f86c76b9248c6ebb.md
@@ -45,6 +45,12 @@ Although you have set the `img` element's `src` to the correct URL, it is recomm
 assert(!/\<img\s+src\s*=\s*https:\/\/cdn\.freecodecamp\.org\/curriculum\/cat-photo-app\/relaxing-cat\.jpg/.test(code));
 ```
 
+Your `img` element should be closed either with `>` or `/>`.
+
+```js
+assert(/<img\s+src\s*=\s*("|')https:\/\/cdn\.freecodecamp\.org\/curriculum\/cat-photo-app\/relaxing-cat\.jpg\1\s*\/?>/.test(code));
+```
+
 # --seed--
 
 ## --seed-contents--