Proofing and subediting are tricky, demanding and under-rated skills.
Still, the time to find and listen to those skills would be <thinks> before printing thousands of carrier bags</thinks>.
Then again, maybe not.
Let the presses roll. Oh, and see if we can find St Christpoher’s Place on Google Maps…
UPDATE: I’ve shown this to 8 people, none of whom found the typo without prompting.