I think most people would spell this wrong!

In an embarrassing mistake, officials in Massachusetts have been forced to admit that some road signs pointing to Lake Chargoggagoggmanchauggagoggchaubunagungamaugg have spelling mistakes in them.
The typos, which are completely baffling considering how easy it is to spell Lake Chargoggagoggmanchauggagoggchaubunagungamaugg, were revealed by a local newspaper, the Worcester Telegram & Gazette, which has been covering the misspelling scandal since 2003.
Resolving the issue involved large amounts of research into the roughly two dozen spelling variants for the lake, in Webster, Massachusetts, which is widely credited as having the longest place name in the USA.

Eventually, it was determined that the 45-letter Chargoggagoggmanchauggagoggchaubunagungamaugg was the correct spelling, and that the signs saying 'Lake Chargoggagoggmanchaoggagoggchaubunaguhgamaugg' were inaccurate (inserting an 'o' for a 'u' at position 20, and an 'h' for an 'n' at position 38.)
The research also found that the 49-letter variant, Chargoggagoggmanchauggauggagoggchaubunagungamaugg, was the second most common version.
The local Chamber of Commerce will now attempt to find out who painted the signs in the first place, and get them to correct them.
Lake Chargoggagoggmanchauggagoggchaubunagungamaugg is commonly referred to as 'Webster Lake' by inhabitants.