Fix HTML anchor tag for presenter name

Author: RSTZZZ

stamina/index.html

@@ -194,7 +194,7 @@ <h4>2026/05/05</h4>
             <li>
               <b><a href="[PAPER LINK]">Consistently Simulating Human Personas with Multi-Turn Reinforcement Learning</a></b>
               <br>
-              Presenter: <u><a href="https://abdulhaim.github.io/" target="_blank" rel="noopener noreferrer">Marwa Abdulhai/a></u>, UC Berkeley AI Research (BAIR) Lab
+              Presenter: <u><a href="https://abdulhaim.github.io/" target="_blank" rel="noopener noreferrer">Marwa Abdulhai</a></u>, UC Berkeley AI Research (BAIR) Lab
               <a class="btn btn-info btn-xs" data-toggle="collapse" href="#20260505-bio" role="button" aria-expanded="false">
                 Speaker Bio
               </a>