[player] Fix typo

projects/player/src/index.html

@@ -36,7 +36,7 @@
   <select name="stateReportPolicy" id="stateReportPolicy">
     <option value="none">none</option>
     <option value="eager">eager</option>
-    <option value="on-demmand">on-demmand</option>
+    <option value="on-demand">on-demand</option>
   </select>
 </div>
 </body>