"...Mayor Marshall Kamena and Councilwoman Marj Leider argued that it's best to leave the artwork alone, especially since there are questions as to how long the mosaic -- which has already sustained some chipping and other damage -- will withstand the outdoor elements..."
"...Another less costly option was to install a plaque near the mosaic pointing out which words were misspelled, perhaps turning it into a game challenging kids to find the mistakes in the mosaic..."
Hey, that's a good idea! Make it sort of an "I SPY" thing. Dollars to doughtnuts say those sharp-eyed kids turn up a lot more mistakes in the mosaic than just a some misspelled names!