diff --git a/README.md b/README.md
index 5d503dd..f601b4b 100644
--- a/README.md
+++ b/README.md
@@ -32,9 +32,15 @@ Aidé par Claude AI
 ## Démonstration vidéo
 
 <p align="center">
-  <video autoplay muted loop playsinline width="500" height="400">
-    <source src="assets/preview.webm" type="video/webm">
-  </video>
+  <video
+    src="assets/preview.webm"
+    autoplay
+    muted
+    loop
+    playsinline
+    width="500"
+    height="400"
+  ></video>
 </p>
 
 ---