Update index.html

Author: zhiqi-li

index.html

@@ -1282,11 +1282,11 @@ <h1 data-aos="fade-down" data-aos-duration="1000">
                 <span>Eagle Code</span>
             </a>
 
-            <a href="#" class="button" target="_blank">
+            <a href="https://huggingface.co/spaces/nvidia/Eagle2-Demo" class="button" target="_blank">
                 <span class="icon">
                     <i class="fas fa-quote-right"></i>
                 </span>
-                <span>Citation</span>
+                <span>Demo</span>
             </a>
 
             <a href="#" class="button" target="_blank">