Update index.html

index.html

@@ -134,7 +134,7 @@ in this demonstration.  Multiple Bin numbers are also support</p>
       <div class="legend"><img src="images/demo-legend.png" alt="legend" /></div>
     </div>
     <div class="row align-items-center">
-      <div class="calibration-error"><span class="calibration-metric">Expected Calibration Error</span><span class="calibration-error-value" id="ece-value">0.10731</span></div>
+      <div class="attack-success-rate"><span class="calibration-metric">Expected Calibration Error</span><span class="attack-success-rate-value" id="ece-value">0.10731</span></div>
     </div>
   </div>
   <div class="col-8">