cancel feed - what am I doing wrong?

[Kamil Jońca]

I tried to test canceling posts from my spool:
==========================
news at alfa:~$ nc -U /var/run/news/nntpin 
200 news.kjonca InterNetNews server INN 2.5.1 ready
MODE CANCEL
500 Syntax error or bad command
==========================
KJ

-- 
Suma inteligencji na planecie jest stala, liczba ludzi powieksza sie.