fix placeholder years for undergraduates

Author: owlang

group.html

@@ -574,11 +574,11 @@ <h4>Undergraduate Students</h4>
       <tr><td>Tanya Gupta</td><td>'26</td></tr>
       <tr><td>Hanqing Li</td><td>'25</td></tr>
       <tr><td>Olivia Li</td><td>'26</td></tr>
-      <tr><td>Shreya Majumdar</td><td>'2X</td></tr>
+      <tr><td>Shreya Majumdar</td><td>'26</td></tr>
       <tr><td>Pedro Vera Perez</td><td>'25</td></tr>
       <tr><td>Alex Veldran</td><td>'26</td></tr>
       <tr><td>Grace Wang</td><td>'27</td></tr>
-      <tr><td>Ella Yang</td><td>'2X</td></tr>
+      <tr><td>Ella Yang</td><td>'27</td></tr>
       <tr><td>Dean Zhang</td><td>'25</td></tr>
       <!--New Undergrads go here...-->
       <!-- <tr><td>First Last</td><td>'2X</td></tr> -->