Update logging.mdx

Author: kathayl

src/content/docs/ai-gateway/observability/logging.mdx

@@ -26,7 +26,7 @@ This logging behavior will be uniformly applied to all requests in the gateway.
 
 :::note[Note]
 
-If you turn off logging and are using Logpush, this will prevent the response and request body from being forwarded through Logpush.
+To export logs using Logpush, you must have logs turned on for the gateway or have overridden the gateway settings by using the `cf-aig-collect-log` request header. 
 
 :::