Once in the word options dialog box, to navigate to the autocorrect options, you will need to select from the left menu.

Select Proofing option on the left.

We use AutoCorrect tab of the AutoCorrect dialog box to automatically correct common errors as you continue typing. To access this feature, you’ll need to click on the file tab, click options and then select Proofing on the word options category.

Same issue happened to me i had 4/5 and suddenly they went down to 3/5 .the reason must be that the question u recived a brainliest answer mark, was deleted by a moderator. they can delete a question for some reason if it isn't complete or has been reported. so there for that is most likely the reason.best of hope u earn another one