The printed deckplate should still be considered correct. It’s entirely possible that the spreadsheet I had wasn’t the final-final version, and things got tweaked just before the set was printed. From seeing how things are done behind the scenes with a different company, I’m assuming they used a completely separate layout sheet (with artwork) to show the factory exactly what to print, rather than relying on the spreadsheet directly.
Even if it was a typo, it doesn’t break the ship, and keeps it more playable.
Last night I submitted a correction to the MT database, and now I’m off to correct the Master Spreadsheet.