fix wording

packages/app/resource/locales/en_US/translation.json

@@ -257,7 +257,7 @@
     }
   },
   "in_app_notification_settings": {
-    "in_app_notification_settings": "InAppNotification Settings",
+    "in_app_notification_settings": "In-App Notification Settings",
     "subscribe_settings": "Settings to automatically subscribe (Receive notifications) to pages",
     "default_subscribe_rules": {
       "page_create": "Subscribe to the page when you create it."