Add the core/login/app_languages.php file.

core/login/app_languages.php

@@ -0,0 +1,9 @@
+<?php
+
+	$content_users['label-username']['en-us'] = 'Username';
+	$content_users['label-username']['pt-pt'] = 'Nome de Utilizador';
+
+	$content_users['label-password']['en-us'] = 'Password';
+	$content_users['label-password']['pt-pt'] = 'Palavra passe';
+
+?>