diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/AssessmentGenerator.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/AssessmentGenerator.java
index a66bdf5..8c3b9a4 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/AssessmentGenerator.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/AssessmentGenerator.java	
@@ -32,7 +32,7 @@ import java.util.*;
  * @see MatchTheMeaningController
  */
 public class AssessmentGenerator {
-   public static boolean isEnglish;
+   public static boolean isEnglishList;
    static LinkedList<Question> listOfAssessment = new LinkedList<>();
    static int currentAssessment = 0;
    static int totalCorrectAnswers = 0;
@@ -51,8 +51,6 @@ public class AssessmentGenerator {
 
       reset();
 
-      //int wordToTranslatePlace;
-
       if (practiseList.size()<5){
          Alert alert = new Alert(Alert.AlertType.ERROR);
          alert.setTitle("Error");
@@ -67,8 +65,6 @@ public class AssessmentGenerator {
             int quizType = rand.nextInt(3);
             switch (quizType) {
                case (0): //0 Means translation test.
-                  //wordToTranslatePlace = rand.nextInt(Application.practiseList.size());
-                  //wordToTranslate = Application.practiseList.get(wordToTranslatePlace);
                   if((listOfAssessment.isEmpty()) || !(listOfAssessment.getLast() instanceof TranslationQuestion)){
                      generatedAssessment = generateTranslationTest(practiseList);
                   }else {
@@ -76,8 +72,6 @@ public class AssessmentGenerator {
                   }
                   break;
                case (1): //1 Means six meanings test.
-                  //wordToTranslatePlace = rand.nextInt(Application.practiseList.size());
-                  //wordToTranslate = Application.practiseList.get(wordToTranslatePlace);
                   if(((listOfAssessment.isEmpty())) || !(listOfAssessment.getLast() instanceof SixMeaningsQuestion)){
                      generatedAssessment = generateSixMeanings(practiseList);
                   }else {
@@ -85,12 +79,6 @@ public class AssessmentGenerator {
                   }
                   break;
                case (2): //2 Means match meanings test.
-//               LinkedList<DictionaryEntry> wordsToTranslate = new LinkedList<>();
-//               for (int i = 0; i < 3; i++) {
-//                  wordToTranslatePlace = rand.nextInt(Application.practiseList.size());
-//                  wordsToTranslate.add(Application.practiseList.get(wordToTranslatePlace));
-//                  wordsToTranslate.toArray();
-//               }
                   if((listOfAssessment.isEmpty()) || !(listOfAssessment.getLast() instanceof MatchTheMeaningQuestion)){
                      generatedAssessment = generateMatchMeaning(practiseList);
                   }else {
@@ -161,6 +149,10 @@ public class AssessmentGenerator {
    }
 
 
+   /**
+    * Method uses currentAssessment as pointer to go to next question in assessment list.
+    * Uses a switch case statement to choose the appropriate type of question.
+    */
    public static void goToNextQuestion() {
       if (currentAssessment > 0){
          Question.showFeedback();
@@ -224,6 +216,9 @@ public class AssessmentGenerator {
       return totalAnswers;
    }
 
+   /**
+    * Method for resetting assessment to default state.
+    */
    public static void reset(){
       totalCorrectAnswers = 0;
       totalAnswers =0;
diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/MatchTheMeaningQuestion.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/MatchTheMeaningQuestion.java
index cae3dd0..032b0d7 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/MatchTheMeaningQuestion.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/MatchTheMeaningQuestion.java	
@@ -6,7 +6,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 
 /**
- * Class used to create a MatchTheMeaning Question.
+ * Class used to generate a MatchTheMeaning Question.
  * @author Brad Corbett [brc9]
  * @author Henry Dugmore [hjd3]
  * @author Kain Bryan-Jones [kab74]
@@ -18,15 +18,20 @@ import java.util.Arrays;
  * @version 0.1 Initial development
  * @see Question
  */
-
-
 public class MatchTheMeaningQuestion extends Question {
    private final ArrayList<DictionaryEntry> correctAnswer = new ArrayList<>();
 
+   /**
+    * Default constructer which loads ArrayList into correctAnswer field variable.
+    * @param correctAnswer the ArrayList of DictionaryEntry objects
+    */
    public MatchTheMeaningQuestion(DictionaryEntry[] correctAnswer){
       this.correctAnswer.addAll(Arrays.asList(correctAnswer));
    }
 
+   /**
+    * @return ArrayList of DictionaryEntry objects storing correctAnswers
+    */
    public ArrayList<DictionaryEntry> getCorrectAnswer() {
       return correctAnswer;
    }
diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/Question.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/Question.java
index 342d620..d9658e0 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/Question.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/Question.java	
@@ -27,8 +27,10 @@ public class Question {
    public static int wrongAnswers =0;
    public static StringBuilder sb = new StringBuilder();
 
-   /** Function that checks the answers of
-    *
+   /** Function that checks the answers of questions. Checks whether they're right and
+    *  uses an object instance of StringBuilder to build an appropriate sentence to present to the user to give
+    *  them their feedback.
+    *  E.g. "Apple is the English for Afal is correct"
     * @param listOfCorrectQuestions List of the right answers to the question.
     * @param listOfAnswers List of the answers the user input.
     * @param isEnglish Boolean for if the test is English To Welsh or Welsh To English
@@ -38,11 +40,20 @@ public class Question {
       if(isEnglish){
          for(int i=0; i<listOfCorrectQuestions.size();i++){
 
+            //Build first part of the sentence
+            //i.e. "englishWord is the English for welshWord "
             sb
                     .append("'").append(listOfCorrectQuestions.get(i).getEnglish()).append("'")
                     .append(" is the English for ")
                     .append("'").append(listOfCorrectQuestions.get(i).getWelsh()).append("'")
                     .append(". ");
+            /*
+             * If the sentence currently makes sense, such as 'apple is the english for apple' then
+             * this next code will append the term either 'is correct' or 'is incorrect'.
+             * To do this it uses index i to get the welsh word of the correct answer.
+             * It then compares that word to the word at index i in the listOfAnswers.
+             * Depending on whether they are eqaual it will append 'correct' or 'incorrect'.
+             */
             if(listOfCorrectQuestions.get(i).getWelsh().equals(listOfAnswers.get(i))){
                sb.append("Correct!");
                correctAnswers++;
@@ -55,9 +66,9 @@ public class Question {
       }else{
          for(int i=0; i<listOfCorrectQuestions.size();i++){
             sb
-                    .append("'").append(listOfCorrectQuestions.get(i).getEnglish()).append("'")
-                    .append(" is the English for ")
                     .append("'").append(listOfCorrectQuestions.get(i).getWelsh()).append("'")
+                    .append(" is the Welsh for ")
+                    .append("'").append(listOfCorrectQuestions.get(i).getEnglish()).append("'")
                     .append(". ");
 
             if(listOfCorrectQuestions.get(i).getEnglish().equals(listOfAnswers.get(i))){
@@ -74,10 +85,10 @@ public class Question {
 
 
    }
+
    /**
     * Function for giving user positive or negative feedback for when they answer a question during an assessment.
     */
-
    static void showFeedback(){
       Alert alert = new Alert(Alert.AlertType.INFORMATION);
 
diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/SixMeaningsQuestion.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/SixMeaningsQuestion.java
index 1808d22..5145f19 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/SixMeaningsQuestion.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/SixMeaningsQuestion.java	
@@ -23,23 +23,30 @@ public class SixMeaningsQuestion extends Question{
    private final DictionaryEntry correctAnswer;
    private final LinkedList<DictionaryEntry> dictionary;
 
+   /**
+    * Default constructor for SixMeaningsQuestion.
+    * @param correctAnswer the correct answer for the list of questions.
+    * @param dictionary the list of questions the user will have to pick between
+    */
    public SixMeaningsQuestion(DictionaryEntry correctAnswer, LinkedList<DictionaryEntry> dictionary) {
       this.correctAnswer = correctAnswer;
       this.dictionary = dictionary;
    }
 
-   /** Function to retrieve the correct answer to a SixMeaningsQuestion.
-    *
+   /**
+    * Function to retrieve the correct answer to a SixMeaningsQuestion
     * @return Retrieves the correct answer
     */
-
    public ArrayList<DictionaryEntry> getCorrectAnswer() {
       Random rand = new Random();
 
+
       ArrayList<DictionaryEntry> result = new ArrayList<>();
 
       result.add(correctAnswer);
       int successfulAnswersSelected = 0;
+
+
       while(successfulAnswersSelected<5){
          DictionaryEntry selectedAnswer;
          selectedAnswer = dictionary.get(rand.nextInt(dictionary.size()-1));
@@ -49,8 +56,6 @@ public class SixMeaningsQuestion extends Question{
          result.add(selectedAnswer);
          successfulAnswersSelected++;
       }
-
-
       return result;
    }
 }
diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/TranslationQuestion.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/TranslationQuestion.java
index b3a45d6..f780fda 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/TranslationQuestion.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs22120/group20/selfassessment/TranslationQuestion.java	
@@ -19,6 +19,10 @@ import uk.ac.aber.cs22120.group20.json.DictionaryEntry;
 public class TranslationQuestion extends Question {
    private final DictionaryEntry correctAnswer;
 
+   /**
+    * Default constructor for translation question
+    * @param correctAnswer the correct answer of translation guess.
+    */
    public TranslationQuestion(DictionaryEntry correctAnswer){
       this.correctAnswer = correctAnswer;
    }