fix typo

README.md

@@ -111,7 +111,7 @@ Since the exploit breaks the "Report" button that triggers the `page-worker` bot
 const file = location.pathname.split("/").slice(-1)[0];
 
 fetch(`/report`, {
-    method: "POST",
+    method: "post",
     headers: {
         "Content-Type": "application/json"
     },