It does exactly what it says it does. If you want a plugin that simply adds an article to another article, you've got it in this.

Has some additional features as well and documentation to boot.

Not only is this board have native version for both 1.0.x and 1.5.x, but the developers are quick to fix any issues you may have. You don't have to wait months or years before bug fixes. Some times the fixes come within hours.

And if that's not enough, the support forum is active and you are quick to receive an answer to whatever question you have.