diff --git a/Notify_fcm.md b/Notify_fcm.md
index e7f3812..96e7252 100644
--- a/Notify_fcm.md
+++ b/Notify_fcm.md
@@ -1,5 +1,5 @@
 ## Firebase Cloud Messaging (FCM)
-* **Source**: https://aws.amazon.com/sns/
+* **Source**: https://firebase.google.com/docs/cloud-messaging
 * **Icon Support**: No
 * **Message Format**: Text
 * **Message Limit**: 160 Characters per message