I'm sure it'll simply be due to some problems with the set up...I'm sure little things of that sort will likely (if activity levels prove this space worth working on some more (as time goes by). This is still, as one will notice at the very, very bottom of the main page, 'a test.'
Just proof-read your posts properly (like we all had to do in the old days of letter writing and hand written essays and thesis) One has to proof-read. (and even back then, most unfortunately, too many folk didn't !!)
Also note that hitting the 'preview' tab will help a lot in proof-reading !!