"whatever you want" is the User-Agent in the top answer for "Change user-agent for Selenium web-driver" on Stack Overflow :

https://stackoverflow.com/questions/29916054/change-user-age...

I love it when people put the instruction for what to enter into a field instead of actually filling out the field.

I run into it ALL the time and no matter how you write instructions, at least 1/3 of people won't read them but just skim to what they think they need and then copy/paste. Ugh.