diff --git a/kripto-ti/index.php b/kripto-ti/index.php
index 49f9094..b475b27 100644
--- a/kripto-ti/index.php
+++ b/kripto-ti/index.php
@@ -28,6 +28,12 @@ include "../includes/courses.php";
   </aside>
 </section>
 <section class="classinfo">
+  <section class="notice">
+    <header>
+      <h1>PEMBERITAHUAN</h1>
+    </header>
+    <p>Bagi yang hendak mengambil matakuliah ini, Anda <strong>harus sudah lulus matakuliah keamanan komputer</strong>.</p>
+  </section>
   <section class="description">
     <header>
       <h1>PENGAJAR</h1>