The default message was not clear

Added clarity

app/lang/en/reminders.php

@@ -13,10 +13,10 @@ return array(
 	|
 	*/
 
-	"password" => "Passwords must be six characters and match the confirmation.",
+	"password" => "Passwords must be at least six characters long and match the confirmation.",
 
 	"user"     => "We can't find a user with that e-mail address.",
 
 	"token"    => "This password reset token is invalid.",
 
-);
\ No newline at end of file
+);