diff --git a/book/exercises/001.md b/book/exercises/001.md
index af92980..eb7ce52 100644
--- a/book/exercises/001.md
+++ b/book/exercises/001.md
@@ -28,10 +28,12 @@ Demonstration of all steps of this exercise, video available [here](https://yout
 
 ````
 
-:::{card} Check your understanding
-<iframe src="https://home.teachbooks.io/wp-admin/admin-ajax.php?action=h5p_embed&id=2" width="624" height="324" frameborder="0" allowfullscreen="allowfullscreen" title="Testing your knowledge"></iframe><script src="https://home.teachbooks.io/wp-content/plugins/h5p/h5p-php-library/js/h5p-resizer.js" charset="UTF-8"></script>
-:::
+::::{card} Check your understanding
+```{h5p} https://home.teachbooks.io/wp-admin/admin-ajax.php?action=h5p_embed&id=2
+```
+::::
 
-:::{card} Check your understanding
-<iframe src="https://home.teachbooks.io/wp-admin/admin-ajax.php?action=h5p_embed&id=1" width="959" height="502" frameborder="0" allowfullscreen="allowfullscreen" title="Testing more Teachbooks knowledge"></iframe>
-:::
\ No newline at end of file
+::::{card} Check your understanding
+```{h5p} https://home.teachbooks.io/wp-admin/admin-ajax.php?action=h5p_embed&id=1
+```
+::::