Small jsdoc fixes.
* </ul>
*
* <p>
- * A cometd server that supports timesync, can respond with an ext
+ * A CometD server that supports timesync, can respond with an ext
* field like: <code>{ext:{timesync:{tc:12345567890,ts:1234567900,p:123,a:3},...},...}</code>
* where:<ul>
* <li>tc is the client timestamp of when the message was sent,
*
* <p>
* The relationship between tc, ts & l is given by <code>ts=tc+o+l</code> (the
- * time the server received the messsage is the client time plus the offset plus the
+ * time the server received the message is the client time plus the offset plus the
* network lag). Thus the accuracy of the o and l settings can be determined with
* <code>a=(tc+o+l)-ts</code>.
* </p>
