docs(whatsapp): fix status-callback webhook name and Schema api reference

Author: hey-august

fern/products/platform/pages/messaging/whatsapp/receive-messages.mdx

@@ -40,7 +40,7 @@ To be notified of each status change as it happens, set `status_callback` when
 [sending a message](/docs/platform/messaging/whatsapp/send-messages). SignalWire then POSTs the
 following payload to your URL at each state change:
 
-<WebhookPayloadSnippet webhook="message_status_callback" />
+<WebhookPayloadSnippet webhook="messageStatusCallback" />
 
 ## Replying to inbound messages
 

fern/products/platform/pages/messaging/whatsapp/send-messages.mdx

@@ -36,7 +36,7 @@ Meta enforces specific rules about when and how a business can send WhatsApp mes
 Set `message_type` to one of the following for a content message. Each value determines the shape of
 `body`, shown below.
 
-<Schema type="Message.WhatsAppContentMessageRequest" showDescription />
+<Schema type="Message.WhatsAppContentMessageRequest" api="signalwire-rest" showDescription />
 
 ## Examples