diff --git a/content/applications/sales/subscriptions/follow_up/automatic_alerts.rst b/content/applications/sales/subscriptions/follow_up/automatic_alerts.rst
index ef18923d5..1b15b30c2 100644
--- a/content/applications/sales/subscriptions/follow_up/automatic_alerts.rst
+++ b/content/applications/sales/subscriptions/follow_up/automatic_alerts.rst
@@ -51,9 +51,14 @@ customers, by email, after one month of subscription. To do so, go to :menuselec
       *Trigger date* and *Delay after trigger* need to be specified. And because the *Send an email
       to the customer* action was adopted, an *Email template* can be chosen.
 
-As a result, this alert will send a rating survey after one month, to the customers who have
-purchased that specific product. The survey will appear in the chatter of your respective
-subscription.
+   .. note::
+      Sending a SMS text message in Odoo requires In-App Purchase (IAP) credit or tokens. For more
+      information on :abbr:`IAP (In-App Purchase)`, visit
+      :doc:`../../../essentials/in_app_purchase`. For more information on sending SMS messages,
+      visit :doc:`../../../marketing/sms_marketing/essentials/sms_essentials`.
+
+As a result, this alert sends a rating survey after one month, to the customers who have purchased
+that specific product. The survey appears in the chatter of your respective subscription.
 
 .. image:: automatic_alerts/rating-satisfaction-survey.png
   :align: center
@@ -84,3 +89,4 @@ retention rates very high.
   - :doc:`../../subscriptions/configuration/subscription_products`
   - :doc:`../../subscriptions/sales_flow/create_a_quotation`
   - :doc:`../../subscriptions/reporting/subscription_reports`
+  - :doc:`../../../essentials/in_app_purchase`