diff --git a/app/dashboard/templates/dashboard/billing.html b/app/dashboard/templates/dashboard/billing.html
index 53585b09..2130356a 100644
--- a/app/dashboard/templates/dashboard/billing.html
+++ b/app/dashboard/templates/dashboard/billing.html
@@ -46,7 +46,7 @@
           <h4>Change Plan</h4>
           You can change the plan at any moment. <br>
           Please note that the new billing cycle starts instantly
-          i.e. you will be charged <b>immediately</b> the annual fee when switching from monthly plan or vice-versa
+          i.e. you will be charged <b>immediately</b> the annual fee ($30) when switching from monthly plan or vice-versa
           <b>without pro rata computation </b>. <br>
 
           To change the plan you can also cancel the current one and subscribe a new one <b>by the end</b> of this plan.
diff --git a/app/paddle_utils.py b/app/paddle_utils.py
index 22398cd4..3b3bb7fd 100644
--- a/app/paddle_utils.py
+++ b/app/paddle_utils.py
@@ -61,7 +61,7 @@ def verify_incoming_request(form_data: dict) -> bool:
     return False
 
 
-def cancel_subscription(subscription_id: int) -> bool:
+def cancel_subscription(subscription_id: str) -> bool:
     r = requests.post(
         "https://vendors.paddle.com/api/2.0/subscription/users_cancel",
         data={