diff --git a/index.js b/index.js
index 5bd484e..5281784 100644
--- a/index.js
+++ b/index.js
@@ -129,11 +129,11 @@ app.post('/sendInteractiveImage', async (req, res) => {
   }
 
   try {
-    // 1) Construire l'URL publique de l'image
+    // 1) URL publique de votre image
     const BASE_URL = process.env.BASE_URL || 'https://wa.canguidev.fr';
     const imageUrl = `${BASE_URL}/static/logo-merlo-cs-FR.jpg`;
 
-    // 2) Préparer le contenu brut du message
+    // 2) Contenu brut du message interactif
     const rawMessage = {
       viewOnceMessage: {
         message: {
@@ -142,9 +142,11 @@ app.post('/sendInteractiveImage', async (req, res) => {
             deviceListMetadataVersion: 2
           },
           interactiveMessage: proto.Message.InteractiveMessage.create({
+            // ici on injecte l'image dans le header sans besoin de type explicite
             header: proto.Message.InteractiveMessage.Header.create({
-              type: proto.Message.InteractiveMessage.HeaderType.IMAGE,
-              imageMessage: { url: imageUrl }
+              imageMessage: { url: imageUrl },
+              title:       'Igna',
+              subtitle:    'test'
             }),
             body: proto.Message.InteractiveMessage.Body.create({
               text: caption || 'Description par défaut'
@@ -157,13 +159,13 @@ app.post('/sendInteractiveImage', async (req, res) => {
                 {
                   urlButton: proto.Message.InteractiveMessage.URLButton.create({
                     displayText: '📄 Voir proposition',
-                    url: 'https://merlo-ch.com/uploads/proposition/f_p_250505_0000136_00008_EB00001909.pdf'
+                    url:         'https://merlo-ch.com/uploads/proposition/f_p_250505_0000136_00008_EB00001909.pdf'
                   })
                 },
                 {
                   urlButton: proto.Message.InteractiveMessage.URLButton.create({
                     displayText: '🔧 Spécifications',
-                    url: 'https://merlo-ch.com/uploads/proposition/d_p_250505_0000136_00008_EB00001909.pdf'
+                    url:         'https://merlo-ch.com/uploads/proposition/d_p_250505_0000136_00008_EB00001909.pdf'
                   })
                 }
               ]
@@ -173,7 +175,7 @@ app.post('/sendInteractiveImage', async (req, res) => {
       }
     };
 
-    // 3) Générer et relayer le message
+    // 3) Générer et envoyer
     const jid = `${phone}@s.whatsapp.net`;
     const msg = generateWAMessageFromContent(jid, rawMessage, {});
     await sock.relayMessage(jid, msg.message, { messageId: msg.key.id });