Update index.html

index.html

@@ -184,6 +184,7 @@ gradient norm and then apply soft removal on them to mitigate the potential jail
             <button onclick="selectExample('example1')">GCG Example</button>
             <button onclick="selectExample('example2')">TAP Example</button>
             <button onclick="selectExample('example3')">Example 3</button>
+            <button onclick="selectExample('example4')">Example 3</button>
         </div>
         <div class="example-box" id="exampleBox">
         <p id="exampleText">Select an example to see how it would be highlighted.</p>