diff --git a/slides-en.html b/slides-en.html
index b6735d5..6bb97a3 100644
--- a/slides-en.html
+++ b/slides-en.html
@@ -725,7 +725,7 @@ <h3>Headings</h3>
         OR
         ```css
         body {
-          background-image: image.jpeg;
+          background-image: url(image.jpg);
         }
         ```
         * Make sure you upload the image in Thimble first!