change promotion to 1st year only

app/dashboard/templates/dashboard/pricing.html

@@ -75,9 +75,18 @@
       </div>
 
       <div class="alert alert-info">
-        Black Friday Deal: 50% off on the yearly plan ($15/year instead of $30/year).
+        Black Friday Deal: 50% off on the yearly plan for the <b>first</b> year ($15 instead of $30). <br>
+        Please use this coupon code
+        <em data-toggle="tooltip"
+            title="Click to copy"
+            class="clipboard"
+            data-clipboard-text="FRIDAY">
+          FRIDAY
+        </em> during the checkout.
+        <img src="/static/images/coupon.png" class="m-2">
+
         <br>
-        Available until November 30.
+        This promotion is available until November 30.
       </div>
 
       <button class="btn btn-success" onclick="upgrade({{ PADDLE_MONTHLY_PRODUCT_ID }})">