Misspellings of English words in professional documents and signs are common here. But, they do occur elsewhere; the photo below is meant to teach us (okay, me) some humility.
I should say that the first two books of Larsson’s trilogy are fantastic. I’ll be buying “The girl who kicked the Hornet’s Nest” soon.
I recall a Simpsons episode where the swishy male hair stylists were spending a lot of money on “Loafer Lightener”. Maybe that’s what Larsson has bottled.
Oh, I cannot find this error online anywhere (A screen capture from a google search):