diff --git a/config/sms-sites.json b/config/sms-sites.json
index 6f39515..5c82388 100644
--- a/config/sms-sites.json
+++ b/config/sms-sites.json
@@ -1,7 +1,9 @@
 {
   "sites": [
     {
-      "allowedSenders": ["+15035550100"],
+      "allowedSenders": [
+        "+15035550100"
+      ],
       "phoneNumber": "+15035550142",
       "repoRoot": ".",
       "siteId": "timber-and-grain"