diff --git a/index.html b/index.html
index 578ff73..53898a2 100644
--- a/index.html
+++ b/index.html
@@ -169,11 +169,11 @@ <h4>Tell your friends</h4>
 										</ul>
 									</div>
 								</div>
-                                <div class="cta-links-area d-flex justify-content-center">
+                                <!-- <div class="cta-links-area d-flex justify-content-center">
                                     <a id="toggleButton1" class="btn-outline cta-link cta-link-primary" href="https://youtu.be/iBKDmGIe3ZA" target="_blank" alt="demo video about how chatbot works">
                                         we will use genAI to create from webpage when ready
                                     </a>
-                                </div>
+                                </div> -->
 							</div>
 						</div>
 					</div>
diff --git a/js/Teacher.js b/js/Teacher.js
index 02f6054..2b1db85 100644
--- a/js/Teacher.js
+++ b/js/Teacher.js
@@ -9,13 +9,13 @@ function toggleInput() {
     }
 }
 
-// function changeTeacher() {
-//     const teacherName = document.getElementById("inputText").value.trim();
-//     if (teacherName !== "") {
-//         // Replace the placeholder avatar with the selected teacher's avatar (API call).
-//         // For demonstration purposes, we're just displaying a message here.
-//         alert(`Teacher changed to: ${teacherName}`);
-//     } else {
-//         alert("Please enter a teacher's name.");
-//     }
-// }
\ No newline at end of file
+function changeTeacher() {
+    const teacherName = document.getElementById("inputText").value.trim();
+    if (teacherName !== "") {
+        // Replace the placeholder avatar with the selected teacher's avatar (API call).
+        // For demonstration purposes, we're just displaying a message here.
+        alert(`Teacher changed to: ${teacherName}`);
+    } else {
+        alert("Please enter a teacher's name.");
+    }
+}
\ No newline at end of file