diff --git a/buds/04.md b/buds/04.md
index 92559c0..eb1d19f 100644
--- a/buds/04.md
+++ b/buds/04.md
@@ -12,8 +12,8 @@ A server may expose a `PUT /mirror` endpoint to allow users to copy a blob from
 
 Clients MUST pass the URL of the remote blob as a stringified JSON object in the request body
 
-```json
-// request body
+```jsonc
+// request body...
 {
   "url": "https://cdn.satellite.earth/b1674191a88ec5cdd733e4240a81803105dc412d6c6708d53ab94fc248f4f553.pdf"
 }