invoiceninja/app/lang/en/reminders.php

<?php

return array(

	/*
	|--------------------------------------------------------------------------
	| Password Reminder Language Lines
	|--------------------------------------------------------------------------
	|
	| The following language lines are the default lines which match reasons
	| that are given by the password broker for a password update attempt
	| has failed, such as for an invalid token or invalid new password.
	|
	*/

	"password" => "Passwords must be at least six characters and match the confirmation.",

	"user" => "We can't find a user with that e-mail address.",

	"token" => "This password reset token is invalid.",

	"sent" => "Password reminder sent!",

);