Update README.md

documented the study mode use case

Author: lucasprates74

README.md

@@ -39,7 +39,12 @@ This is a flashcard study application inspired by Quizlet.
     - If the user is an admin they also have the ability to edit and delete every flashcard set in the results
 
 ### 6. Study from a flashcard set.
-
+-Given a flashcard set, the user can enter study mode
+-The user can choose how to sort the flashcard set: by creation date, by alphabetical order, or by random shuffle
+-The user can choose if they want to view the cards in order or in reverse order
+-The user can choose if the flashcard displays terms or definition by default
+-The user is then presented with the first flashcard in the flashcard set, given their sorting preferences. The user can choose to 
+flip the flashcard, go to the next card, or go to the previous card until they wish to quit studying
 ### 7. Generate and take a quiz from a flashcard set.
 - Given a flashcard set, the user can enter quiz mode.
 - Quiz mode features three types of questions: multiple choice, text entry, and true/false.