Help Center > Privileges > participate in meta says:
Our meta naming convention is standard across all sites. The meta site for this site resides at:
The link should point to http://meta.stackexchange.com
Moreover, the following seems incorrect:
The following applies to all per-site Metas except Stack Overflow. You do not need Stack Overflow reputation to post on its Meta, and your rep on its Meta isn't tied to the parent site.
Actually, quite a bit is wrong on the said page.