<?php
/**
* A concrete filter for validating the username. This filter may intercept the
- * filter chain if no username is given or if the supplied username has an
- * invalid form. It could also intercept the filter chain if the username is
- * already taken.
+ * filter chain if no username is given or if supplied username has an invalid
+ * form. It could also intercept our filter chain if username is already taken.
*
* @author Roland Haeder <webmaster@ship-simu.org>
* @version 0.0.0