diff --git a/main/settings.py b/main/settings.py
index 64566a7..db0b1be 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -391,8 +391,8 @@ WALLET_USER_BILLBOARD_VISIT_INCOME = config('WALLET_USER_BILLBOARD_VISIT_INCOME'
 # wallet above. TODO(you): replace with the real wallet-type UUID from the wallet service.
 WALLET_PROMOTIONS_TRANSIT = config('WALLET_PROMOTIONS_TRANSIT', cast=str)
 # Same wallet-service UUID as the advertising repo's own WALLET_ADVERTISING_TRANSIT setting.
-# Destination for promotion types that fund billboard/ad credit rather than a cash-like user
-# reward (CAPTURE, FIRST_AD_CREATE) — see Recipient.get_wallet_category_uuid().
+# Destination for a Recipient whose wallet_destination is advertising_transit — billboard/ad
+# credit rather than a cash-like user reward — see Recipient.get_wallet_category_uuid().
 WALLET_ADVERTISING_TRANSIT = config('WALLET_ADVERTISING_TRANSIT', cast=str)
 
 NOTIFICATIONS_BASE_PUBLIC_URL = config('NOTIFICATIONS_BASE_PUBLIC_URL', default=None, cast=str)
diff --git a/utils/clients/notifications_client.py b/utils/clients/notifications_client.py
index a478707..e9c51e7 100644
--- a/utils/clients/notifications_client.py
+++ b/utils/clients/notifications_client.py
@@ -75,7 +75,9 @@ def get_notifications_client():
     return client
 
 
-def notifications_push_user(user_uuid, title, message, priority=5, extras=None):
+def notifications_push_user(user_uuid, title, message, priority=5, extras=None, click_url=None):
+    # click_url is optional — most notifications aren't clickable. When set,
+    # the notifications service embeds it as the tap destination.
     class Tmp():
         def to_dict(self):
             return {
@@ -83,6 +85,7 @@ def notifications_push_user(user_uuid, title, message, priority=5, extras=None):
                 'message': message,
                 'priority': priority,
                 'extras': extras,
+                'click_url': click_url,
             }
 
     push_data = Tmp()