URL: http://www.wikidot.com/account/messages#/settings

Note: user blocks does not work against wikidot.com administrators and moderators and administrators of the sited you are a member of.

Instead of "sited", it should be "sites".

Edit: And perhaps the whole sentence could be re-written. The "administrators and moderators and administrators" part doesn't quite sound right.

Example alternative:

Note: Blocking a user does not prevent Wikidot.com administrators from contacting you. Moderators and administrators of the sites that you are a member of are also unaffected by the Blocked users list.