How do you add spoilers to your posts?

[Diamondarcadia]

Hello! i was wondering how to add spoilers to posts so I can include extra info in my posts without taking up a lot of space?

Thanks for any help you can offer me!

 

[Sloom]

http://www.belltreeforums.com/showthread.php?82118-Frequently-Asked-Questions-at-The-Bell-Tree

 

[Diamondarcadia]

Sweet, thanks a lot

 

[Yui Z]

Spoiler

Text here [/sp.oiler] no dot :3

 

[Sloom]

Yeah, or:

Spoiler: Title

Content [/spoiiler] (Without the double "i"