Bizzare!

[M111]

There are 3 online users browsing:

1 members and 2 visitors

M111, Yahoo.com, Google.com, Crawler.de

 

That's 4 by my counting (but I'm only an Estimator).

[Mark H]

Its actually correct, the bots are not counted in the number and the visitors are people not registered but browsing.

 

Hence you and two visitors = 3 as the bots don't count to the totals although they are listed there for completeness.