I've tried looking for any of the craftconomy.money.pay codes in the folder. I'm using version 3.3 and can't find that text in any of the document files. I tried all four of them and also opened the .jar file with notepad++. It would be great for some help.

That would be this file: https://github.com/greatman/craftconomy3/blob/master/src/main/java/com/greatmancode/craftconomy3/commands/money/PayCommand.java