Fix incorrect method name header in api docs (#849)

Author: david-mccullars

website/docs/api/general-events.md

@@ -61,11 +61,11 @@ Notifications.events().registerRemoteNotificationsRegistrationFailed((event: Reg
 });
 ```
 
-## registerRemoteNotificationsDenied()
+## registerRemoteNotificationsRegistrationDenied()
 Fired when the user does not grant permission to receive push notifications. Typically occurs when pressing the "Don't Allow" button in iOS permissions overlay.
 
 ```js
 Notifications.events().registerRemoteNotificationRegistrationDenied(() => {
   console.log('Notification permissions not granted')
 })
-```
+```