diff --git a/assets/pasted-20251008-162409-6b449f77.png b/assets/pasted-20251008-162409-6b449f77.png
new file mode 100644
index 0000000..fa95fcd
Binary files /dev/null and b/assets/pasted-20251008-162409-6b449f77.png differ
diff --git a/survey.php b/survey.php
index 373d54b..38c8d92 100644
--- a/survey.php
+++ b/survey.php
@@ -62,9 +62,12 @@ require_once 'templates/header.php';
 
     <section class="survey-section">
         <div class="container">
-            <div id="success-message" class="hidden">
+            <div id="success-message" class="hidden" style="text-align: center;">
                 <h2>Thank you!</h2>
                 <p>Your feedback has been submitted successfully. We appreciate you taking the time to help us improve.</p>
+                <p>We'll try our best to make Flatlogic better, and as a courtesy, we give you this promocode: <strong>ONLY_TRUE_FEEDBACK_OCT_2025</strong></p>
+                <p>It gives you <strong>free $10 credits</strong>. To use it, go to Billing -> Add Credits -> Select the $10 product and apply the promocode as shown below:</p>
+                <img src="assets/pasted-20251008-162409-6b449f77.png" alt="How to apply promocode" style="max-width: 100%; height: auto; border: 1px solid #ddd; margin-top: 15px;">
             </div>
 
             <div class="form-container">
diff --git a/templates/header.php b/templates/header.php
index d469366..fa69e41 100644
--- a/templates/header.php
+++ b/templates/header.php
@@ -12,6 +12,8 @@ $isSurveyPage = basename($_SERVER['PHP_SELF']) == 'survey.php';
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title><?= $pageTitle ?></title>
+    <meta property="og:image" content="https://project-screens.s3.amazonaws.com/screenshots/34760/app-hero-20251007-160150.png" />
+    <meta property="twitter:image" content="https://project-screens.s3.amazonaws.com/screenshots/34760/app-hero-20251007-160150.png" />
     <meta name="description" content="<?= $description ?>">
     <link rel="canonical" href="<?= $canonical_url ?>" />
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
@@ -54,4 +56,4 @@ $isSurveyPage = basename($_SERVER['PHP_SELF']) == 'survey.php';
             </ul>
         </div>
     </div>
-</nav>
\ No newline at end of file
+</nav>