There is a referrer what accidentally spam.

It seems like the conversation keeps going round and round.
https://wordpress.com/forums/topic/in-statistics-page-i-accidently-marked-a-referrer-caldarowordpresscom-as-spam-how-do-i-undo-this-mistake/
in this link It appears that Jetpack staff took action and turned off referrer spam.
I really need to turned off referrer spam.
referrer url : search.naver.com
my site : blog.in-coder.com