chore(functions): clarify equality of endpoint and audience
@@ -34,6 +34,7 @@ func makeGetRequest(w io.Writer, targetURL string, audience string) error {
// (`targetURL` and `audience` will differ for non-root URLs and GET parameters)
// [END cloudrun_service_to_service_auth]
// [START functions_bearer_token]
+ // For Cloud Functions, endpoint (`serviceUrl`) and `audience` are the same.
// Example `audience` value (Cloud Functions): https://<PROJECT>-<REGION>-<PROJECT_ID>.cloudfunctions.net/myFunction
// (`targetURL` and `audience` will differ for GET parameters)
// [START cloudrun_service_to_service_auth]
