diff --git a/Courses.php b/Courses.php
index 3fc6121..63c28f6 100644
--- a/Courses.php
+++ b/Courses.php
@@ -25,11 +25,11 @@ include 'Header.php';
 	    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.0/jquery.min.js" integrity="sha512-3gJwYpMe3QewGELv8k/BX9vcqhryRdzRMxVfq6ngyWXwo03GFEzjsUm8Q7RZcHPHksttq7/GFoxjCVUjkjvPdw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>	    
 	    <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.13.2/jquery-ui.min.js" integrity="sha512-57oZ/vW8ANMjR/KQ6Be9v/+/h6bq9/l3f0Oc7vn6qMqyhvPd1cvKBRWWpzu0QoneImqr2SkmO4MSqU+RpHom3Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 
-	    <script>
-				     function extendDeadline(id) {
-					 const dropstudents = $("#dropstudents").html();
-					 try {
-					     $(`<form id="frm" method="get" action="Script.php">
+        <script>
+            function extendDeadline(id) {
+                const dropstudents = $("#dropstudents").html();
+                try {
+                    $(`<form id="frm" method="get" action="Script.php">
                                 <input type="hidden" name="extenddeadline" value="true" >
                                 <input type="hidden" name="id" value="${id}" >
                                 New date and time<br>
@@ -42,28 +42,27 @@ include 'Header.php';
                                 <br>
                                 ${dropstudents}
                            </form>`).dialog({
-			       modal: true,
-			       title:'Extend deadline',
-			       close: function () {
-				   var closeBtn = $('.ui-dialog-titlebar-close');
-				   closeBtn.html('');
-			       },     
-			       buttons: {
-				   'Submit': function () {
-				       $('#frm').submit();
-				       $(this).dialog('close');
-				   },
-				   'Cancel': function () {
-				       $(this).dialog('close');
-				   }
-			       }
-			   });
-					 } catch(e) {
-					     alert(e);
-					 }
-				     }
-            </script>
-
+                                   modal: true,
+                                    title:'Extend deadline',
+                                    close: function () {
+                                        var closeBtn = $('.ui-dialog-titlebar-close');
+                                        closeBtn.html('');
+                                    },
+                                    buttons: {
+                                       'Submit': function () {
+                                           $('#frm').submit();
+                                           $(this).dialog('close');
+                                       },
+                                    'Cancel': function () {
+                                        $(this).dialog('close');
+                                    }
+                                    }
+                               });
+                } catch(e) {
+                    alert(e);
+                }
+            }
+        </script>
 
 	    <?php
 	    if(!empty($_GET["course"]))