I'm able to hit the URL....are you still getting that message?

No clue what maint may or may not have been being done....I've seen that as a generic 'I can't get there right now' type of thing in the past.

Just wondering, what are "regular business hours" when your audience is global anyway?

Patrick Wilson can speak for docs site, but I know that such text appears on BMC Communities when 1 node in the cluster is down, for any reason, till it's restarted cleanly (we prefer a nice message than a scary 404 for example)

While there was no scheduled maintenance yesterday (there are no regular business hours with a global audience, as mentioned above), we do schedule any needed downtime for when we have the least traffic.  That said, this was a generic message that displays when the site is inaccessible for some reason.  It does seem a bit misleading and I'll see if the team can update the wording.

To be clear - yesterday we did have an unexpected/unplanned site issue with docs (resolved), which is why some users may have seen that message - the problem was on our end.