If you don't want to click each filled in circle on the right side of each row to indicate the notification has been read, then click the 'Mark All as Read' link at the top to quickly adjust all the messages that they have all been read.
Idan ba kwa son danna kowane cike da da'ira a gefen dama na kowane layi don nuna sanarwar an karanta, to sai a latsa mahadar '' Mark All as Read 'a saman don saurin daidaita dukkan saƙonnin da suke da su duka an karanta.