[ElfinTrousers]

Do human editors catch every mistake? No.

[jackfoxy]

But a news site (SFGate) that purports to be local to the area should know the name of the county seat of one of the Bay Area counties.

[ElfinTrousers]

I feel ridiculous having to explain this, but it's possible to know the name of a place and still get it wrong when you intend to write it down, or overlook a mistake when reading it over.