Luckily it was just 6hrs of ~3mH/s, so I don't feel too bad for a $1.50 mistake. Thanks for checking!
Who TYPES Bitcoin addresses?! Copy&paste, ever heard of it? Even if you work with offline wallets or whatnot, you make sure you have some foolproof way of transferring addresses correctly. QR codes, c&p, whatever. Never TYPE addresses, OMG.