Update index.html

index.html

@@ -330,7 +330,7 @@ <h2 class="title is-3">Action Grounding</h2>
             To address the challenge of action grounding, we explore three approaches using different types of information: Grounding via Element Attributes, Grounding via Textual Choices, and Grounding via Image Annotation.
           </p>
         <div class="content has-text-centered">
-          <img src="static/images/action_grounding.png" alt="algebraic reasoning" class="center" style="width: 80%; height: auto;">
+          <img src="static/images/1_action_grounding.svg" alt="algebraic reasoning" class="center" style="width: 80%; height: auto;">
           <p>
           </p>
         </div>