[js] Fix docs example on proxy.socks()
@@ -182,7 +182,10 @@ exports.manual = function({ftp, http, https, bypass}) {
* const proxy = require('selenium-webdriver/lib/proxy');
*
* let capabilities = new Capabilities();
- * capabilities.setProxy(proxy.socks('localhost:1234', 'bob', 'password'));
+ * capabilities.setProxy(proxy.socks('localhost:1234'));
+ *
+ * // Or, to include authentication.
+ * capabilities.setProxy(proxy.socks('bob:password@localhost:1234'));
*
*
* @param {string} socksProxy The proxy host, in the form `hostname:port`.
