[timmonsjg]

Judging by this and the word 'customisable', I'd wager the author is outside the US where these spellings are a bit common.

[tsucres]

Thank you for correcting me. I'm indeed not a native english speaker.

[Cyberdog]

Inside the US, "loose" as a typo of "lose" is common too, but inside or outside it's still wrong.

[timmonsjg]

Never stated which is correct or not.