It happens - I also facilitate the blog "stylethestashsewalong.blogspot.com" - and accidentally published a post for that blog on my blog! I deleted it very quickly, but not before it had hit the air. Sorry about that - if you click on it, you will find it has been removed.
Must be time for coffee...mid afternoon concentration lapse has set in! (Today is my day off so I enjoy my blogs - I have also done my allocated sewing for today as per my new time management sewing schedule!)