wordpress website edit (must be done in 24 hours)

Please do not bid if you cannot complete this project within 24 hours. I'm looking for a someone to edit about 2100 articles on my wordpress website. All articles have one keyword that have to be replaced with another key word... it is a very very simple edit but a lot articles. I will proivide more details upon request. Please do not bid unless you can complete the ENTIRE project in 24 hours. Thank you.