Fix PDF link for RSS 2026 ExpertGen

Author: xzhang-bdai

index.html

@@ -123,7 +123,7 @@ <h1 class="title is-2 publication-title"><span class="textsc">ExpertGen</span>:
               <div class="publication-links">
                 <!-- PDF Link. -->
                 <span class="link-block">
-                  <a href="./static/pdf/RSS_2026_ExpertGen.pdf"
+                  <a href="./static/pdf/RSS_2026__ExpertGen.pdf"
                     class="external-link button is-normal is-rounded is-dark">
                     <span class="icon">
                       <i class="fas fa-file-pdf"></i>
@@ -1413,4 +1413,4 @@ <h2 class="title">BibTeX</h2>
 
 </body>
 
-</html>
+</html>