How in here If I start a thread or reply to a post

If I decide to add another it merges into the first one...

How can I get this to work in my site?

I posted the above then added a reply and it gets merged....

How

 

AdminCP > System > Settings > Posting > Merge concurrent posts

Thanks Ill giver it a shot I was reading about it your fast thanks for that

 

I set mine to 5 minutes that should slow the rapid posters down a bit...

I changed it to ten minutes thanks again sir...