There are many ways to help us add content. Since both this Wiki and Wikipedia are licensed under the Creative Commons Attribution-Share Alike License 3.0 (Unported), one of the ways you may contribute is to copy Wikipedia articles to this Wiki word for word as long as you follow some very simple guidelines. The process for doing this is outlined at Warhammer 40k:Copying Articles From Wikipedia. A helpful, detailed example of this process is provided here. If you are at all confused, please check there. Thank you, and please enjoy your time here on the Warhammer 40k Wiki!