diff --git a/site/content/tutorial/16-special-elements/03-svelte-window/text.md b/site/content/tutorial/16-special-elements/03-svelte-window/text.md
index 2715da7260..9be7afd66f 100644
--- a/site/content/tutorial/16-special-elements/03-svelte-window/text.md
+++ b/site/content/tutorial/16-special-elements/03-svelte-window/text.md
@@ -8,4 +8,9 @@ On line 33, add the `keydown` listener:
 
 ```html
 <svelte:window on:keydown={handleKeydown}/>
-```
\ No newline at end of file
+```
+Don't forget to add `preventDefault` modifier if you want to press any other key, e.g. after you have pressed `Tab` or `Ctrl + D`:
+
+```html
+<svelte:window on:keydown|preventDefault={handleKeydown}/>
+```