diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/check-radio-buttons-and-checkboxes-by-default.english.md b/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/check-radio-buttons-and-checkboxes-by-default.english.md
index 479a3bca23..ce80ca8425 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/check-radio-buttons-and-checkboxes-by-default.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/check-radio-buttons-and-checkboxes-by-default.english.md
@@ -76,7 +76,35 @@ tests:
 ## Solution
 <section id='solution'>
 
-```js
-// solution required
+```html
+<h2>CatPhotoApp</h2>
+<main>
+  <p>Click here to view more <a href="#">cat photos</a>.</p>
+
+  <a href="#"><img src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
+
+  <p>Things cats love:</p>
+  <ul>
+    <li>cat nip</li>
+    <li>laser pointers</li>
+    <li>lasagna</li>
+  </ul>
+  <p>Top 3 things cats hate:</p>
+  <ol>
+    <li>flea treatment</li>
+    <li>thunder</li>
+    <li>other cats</li>
+  </ol>
+  <form action="/submit-cat-photo">
+    <label><input type="radio" name="indoor-outdoor" checked> Indoor</label>
+    <label><input type="radio" name="indoor-outdoor"> Outdoor</label><br>
+    <label><input type="checkbox" name="personality" checked> Loving</label>
+    <label><input type="checkbox" name="personality"> Lazy</label>
+    <label><input type="checkbox" name="personality"> Energetic</label><br>
+    <input type="text" placeholder="cat photo URL" required>
+    <button type="submit">Submit</button>
+  </form>
+</main>
 ```
+
 </section>