Identify and correct the error in the sentence below.
"I am not really up on where they get their guidelines from."
Mitch Albom, The Mitch Albom Show, "Child Custody Guidelines" interview, WJR Radio 760, Tuesday, May 20, 2008, 6:19 pm.
The word for today is "alacrity".
Define "alacrity" and use it in a sentence.