Update index.html

index.html

@@ -808,7 +808,7 @@
         <div id="action_options">
 
             <div class="option" style="margin-top: 1em; margin-bottom: 2em;">
-                <label for="confidence">Confidence:</label><input type="text" id="confidence" name="confidence" value="0.0"/>
+                <label for="confidence">Confidence:</label><input type="text" id="confidence" name="confidence" value="0.5"/>
                 <div id="confidence-slider" class="slider"></div>
             </div>
             <input type="checkbox" id="nbest" /><label for="nbest">n-best candidates</label>