diff --git a/wp-content/themes/score/registration/register.php b/wp-content/themes/score/registration/register.php
index dac3b67..25bedde 100644
--- a/wp-content/themes/score/registration/register.php
+++ b/wp-content/themes/score/registration/register.php
@@ -34,8 +34,8 @@
 
 					<h4><?php _e( 'Account Details', 'buddypress' ) ?></h4>
 
-					<label for="signup_username"><?php _e( 'Username', 'buddypress' ) ?> <?php _e( '(required)', 'buddypress' ) ?></label>					
-					<input type="text" name="signup_username" id="signup_username" value="<?php bp_signup_username_value() ?>" />
+					<label for="signup_username"><?php _e( 'Username', 'buddypress' ) ?> <?php _e( '(required, only lowercase)', 'buddypress' ) ?></label>					
+					<input type="text" name="signup_username" id="signup_username" value="<?php bp_signup_username_value() ?>" onChange="javascript:this.value=this.value.toLowerCase();"/>
                                         <?php do_action( 'bp_signup_username_errors' ) ?>
 
 					<label for="signup_email"><?php _e( 'Email Address', 'buddypress' ) ?> <?php _e( '(required)', 'buddypress' ) ?></label>