diff --git a/docs/sending/start-submission.mdx b/docs/sending/start-submission.mdx
index 5122397e231926cb960c8bd5b3d2d6a336d8f757..270d85904486dcdcd528462decb5cc854d7cb170 100644
--- a/docs/sending/start-submission.mdx
+++ b/docs/sending/start-submission.mdx
@@ -88,9 +88,7 @@ const config = {
 
 axios(config)
 .then(response => console.log(JSON.stringify(response.data)))
-.catch(function (error) {
-  console.log(error);
-});
+.catch(error => console.log(error));
 
 ```