Update index.html

Author: annevk

index.html

@@ -1763,8 +1763,8 @@ <h2>
                       <li>
                         <p>
                           If |result| is not failure, then set |notificationShown| to |result|'s
-                          [=push event result/notification shown=] and |appBadgeSet| to [=push
-                          event result/app badge set=].
+                          [=push event result/notification shown=] and |appBadgeSet| to |result|'s
+                          [=push event result/app badge set=].
                         </p>
                       </li>
                     </ol>
@@ -1791,11 +1791,16 @@ <h2>
               </li>
             </ol>
           </li>
+          <li>
+            <p>
+              Let |data| be a new {{PushMessageData}} object whose [=PushMessageData/bytes=] is
+              |bytes| if |bytes| is non-null; otherwise null.
+            </p>
+          </li>
           <li>
             <p>
               Let |result| be the result of [=fire a push event|firing a push event=] given
-              |registration|, a new {{PushMessageData}} instance whose [=PushMessageData/bytes=] is
-              |bytes|, null, and null.
+              |registration|, |data|, null, and null.
             </p>
           </li>
           <li>