iHub provides a 15 minute timeframe to update/correct the original post. So if you find the typo quick enough, all you'll need to do is reopen that post and click the 'edit msg' link near the top right corner, fix the error, and then repost it (by clicking the 'update message' link. Hope this is helpful.
before*, sorry I hate all the spelling errors on these boards
News 
Market Data 
Discover 
AI
