diff --git a/web/src/components/hooks.js b/web/src/components/hooks.js
index 9f836156..3b171eab 100644
--- a/web/src/components/hooks.js
+++ b/web/src/components/hooks.js
@@ -50,11 +50,13 @@ export const useConnectionListeners = (account, subscriptions, users, webPushTop
       };
 
       const handleNotification = async (subscriptionId, notification) => {
+        // Note: This logic is duplicated in the Android app in SubscriberService::onNotificationReceived()
+        //       and FirebaseService::handleMessage().
+
         // Delete existing notification with same sid, if any
         if (notification.sid) {
           await subscriptionManager.deleteNotificationBySid(subscriptionId, notification.sid);
         }
-
         // Add notification to database
         if (!notification.deleted) {
           const added = await subscriptionManager.addNotification(subscriptionId, notification);