How to disable spell checking, not only on my computer, but when ever the form is open on any computer?

[lisemainville]

The form is a "test" that my students have to fill  - I send them the file and they have to rewrite and correct the text - so that's why i want to disable the "spell checking"

Here is an exemple of my document :

Thanking you in advance... merci beaucoup à l'avance

[jnicholas330]

Spell checking is controlled by the PDF viewer installed on the user's machine. There is no way to configure it in the form itself.