A stub is a short article, which desperatly needs editing and more content. Stubs are not bad, as stubs are considered the start of an article, not the end of one.
Marking an article as stub
Editors are encouraged to mark articles as stub, if the article is not having enough content to help the users of the wiki.
For declaring an article as stub, you only have to include the template Stub in the article, by inserting:
Removing stub marks
When any user thinks, his edit of the article has now added enough content to it, to make the article more than just a stub, he can simply remove the template.
Special stub category
All stub articles are listed in the category Category:Stubs and removed automatically when the template is removed.