complete quiz section

docs/ecolyo/functionalities/challenge.md

@@ -14,7 +14,8 @@ All basics Questions are created in the quizEntity.json. We have to add :
 - source => Source of the explanaition
 
 In the question page the user have to select an answer and click validate. 
-Then, he sees the right answer and a modal with the explaination and the source. After this modal, he goes to the next question.
+Then, he sees the right answer and a modal with the explanation and the source. After this modal, he goes to the next question. 
+Depends on the answer, the question result state is set either correct or incorrect.
 
 ### Custom Question
 
@@ -25,6 +26,7 @@ At the end of every quiz, we're creating a custom question. During the creation
 We get all this information to determine the custom question (All information are in the quizEntity.json). Depending of the question type, the system calcul a maximum or an average data. 
 Then, he generate two randoms answers following the right answer. 
 
+A user can stop during a quiz and picks up where he left off. To define where the user left off, we have to check if at least one of the question result status is unlocked.
 ## Mission
 
 ## Duel