diff --git a/Course.php b/Course.php
index c5a6cfb..05b3e1f 100644
--- a/Course.php
+++ b/Course.php
@@ -647,11 +647,11 @@ include 'Header.php';
 
 
 
- function remarking(data)
+ function remarking(url)
  {
      const details = prompt("Please enter your remarking reasons","");
      if (details != null) {
-	 window.location.href = data+"&details="+details;
+	 window.location.href = url+"&details="+details;
      }
  }