This is a simple suggestion to Matt Cutts and the Google search engine quality team. UK users do NOT need to see spelling suggestions that are American.
If you follow the search below you will see what I mean: http://www.google.co.uk/search?q=search+engine+optimisation
Why do we get the suggested spelling of ‘optimization’ when the correct spelling in the English (UK) language is optimisation?
Sounds like a no-brainer to me. What do you think?