It can be placed on top of administration pages (not-articles) when appropriate (see WP:INFOPAGES for details). This usually means pages in the "Wikipedia:" and "Help:" namespaces, but sometimes information pages also exist as user subpages.
If it is in some other namespace, it will not be auto-categorized, and it may be in the wrong place.
But it can also take up to three shortcuts as parameters. It then displays a small shortcut box inside it. Like this: