diff --git a/_layouts/chapter.html b/_layouts/chapter.html
index 756dbe92..8def70bd 100644
--- a/_layouts/chapter.html
+++ b/_layouts/chapter.html
@@ -4,11 +4,11 @@
 
   <!-- Announcement we can keep for 1 month or more. I remove it and re-add it from time to time. -->
   <p class="announce">
-    📹 💻
-    <a style="font-size: 120%" href="https://www.udemy.com/course/common-lisp-programming/?couponCode=LISPMACROSPOWER" title="This course is under a paywall on the Udemy platform. Several videos are freely available so you can judge before diving in. vindarel is (I am) the main contributor to this Cookbook."> Discover vindarel's Lisp course in videos with this September coupon.</a>
-        <strong>
-          Recently added: 18 videos on MACROS.
-    </strong>
+    📢 🤶 ⭐
+    <a style="font-size: 120%" href="https://www.udemy.com/course/common-lisp-programming/?couponCode=LISPY-XMAS2023" title="This course is under a paywall on the Udemy platform. Several videos are freely available so you can judge before diving in. vindarel is (I am) the main contributor to this Cookbook."> Discover our contributor's Lisp course with this Christmas coupon.</a>
+     <strong>
+        Recently added: 18 videos on MACROS.
+     </strong>
     <a style="font-size: 90%" href="https://github.com/vindarel/common-lisp-course-in-videos/">Learn more</a>.
   </p>
   <p class="announce-neutral">
diff --git a/assets/style.scss b/assets/style.scss
index 8631a3c0..b1b69051 100644
--- a/assets/style.scss
+++ b/assets/style.scss
@@ -166,8 +166,8 @@ footer {
     // Orange announce:
     // background-color: #f48224;
     // color: white;
-    // background-color: gold;
-    background-color: rgba(255, 0, 0, 0.6);
+    background-color: gold;
+    // background-color: rgba(255, 0, 0, 0.6);
     color: #3b3b3b;
     margin: 1em 0 1em 0;
 }