Update src/connections/sources/catalog/cloud-apps/onesignal/index.md

Co-authored-by: rchinn-segment <[email protected]>

Author: fhboswell

src/connections/sources/catalog/cloud-apps/onesignal/index.md

@@ -76,7 +76,7 @@ The following table lists the properties included in the events from the Events
 | Property Name              | Description                                                                           |
 | -------------------------- | ------------------------------------------------------------------------------------- |
 | `userId`                   | The `external_id` associated with the message                                           |
-| `anonymousId `             | The subscription_id associated with the message (only sent if there is no externalId) |
+| `anonymousId `             | The `subscription_id` associated with the message (only sent if there is no `external_id`) |
 | `messageId`                | The identifier of the discrete message                                                |
 | `campaign_id`              | The identifier of the message campaign                                                |
 | `message_name`             | The message name                                                                      |