One good way to get people to enter data the right way is to use conditional formatting to make it change a color when they enter the word that you want. It's

One good way to get people to enter data the right way is to use conditional formatting to make it change a color when they enter the word that you want. It's very satisfying to turn a line from yellow to green (in progress to complete for instance) and gives feedback as to whether the form is being used correctly. Which is not to say that a web form isn't a better way to do it.