Removed typo in method , there was an extra ")" (#11295)

documentation/articles/SendingEmailFromJavaApplications.asciidoc

@@ -134,7 +134,7 @@ follows:
 HtmlEmail email = new HtmlEmail();
 email.setHostName("localhost");
 email.setSmtpPort(9090);
-email.setAuthentication()"sender@test.com", "password");
+email.setAuthentication("sender@test.com", "password");
 ....
  
 Or if you want to use Gmail: