The image underneath 'verify password' (titled 'Recaptcha') is a device used for security purposes.
In order to finish your registration, you must type the two words you see in this image in the box provided (where it says 'type the two words'). You'll need to put one space inbetween the two words.
If you're having troubles with identifying the words you can refresh them and select two new words (by clicking on the two little arrows) or you can listen to the words instead (by clicking on the sound icon)
