diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/AddWordController.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/AddWordController.java
index f9d9baa..5dc0c06 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/AddWordController.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/AddWordController.java	
@@ -103,6 +103,7 @@ public class AddWordController extends SharedCodeController {
          trueWordType = DictionaryEntry.wordTypeEnum.other;
       }
       boolean entryFound = false;
+
       // test for one or more blank fields and if there is create the correct error dialogue box
       if (english.getText().isBlank() || welsh.getText().isBlank() || wordType.getValue().equals("Type")) {
          Alert error = new Alert(Alert.AlertType.ERROR);
@@ -113,6 +114,7 @@ public class AddWordController extends SharedCodeController {
          error.showAndWait();
       } else {
          for (DictionaryEntry entry : Application.dictionary) {
+
             //test if the entry exists in the dictionary and if it does create the correct error dialogue box
             entryFound = false;
             DictionaryEntry newEntry = new DictionaryEntry(english.getText(), welsh.getText(), trueWordType);
@@ -130,6 +132,7 @@ public class AddWordController extends SharedCodeController {
             }
          }
          if (!entryFound) {
+
             //if everything is fine, save the entered values as a dictionary entry in the dictionary
             Alert alert = new Alert(Alert.AlertType.INFORMATION);
             alert.setTitle("Success");
@@ -165,6 +168,7 @@ public class AddWordController extends SharedCodeController {
     *
     * @param actionEvent action event for the button click
     */
+
    // add character methods for characters ch, dd, ff, ng, ll, ph, rh, th
    public void addCharch(ActionEvent actionEvent) {
       welsh.appendText("ch");
diff --git a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/DictionaryController.java b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/DictionaryController.java
index ca79637..8ad61b2 100644
--- a/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/DictionaryController.java	
+++ b/src/Welsh Vocabulary Tutor/src/main/java/uk/ac/aber/cs221/group20/javafx/DictionaryController.java	
@@ -62,7 +62,10 @@ public class DictionaryController extends SharedCodeController {
    public ObservableList<DictionaryEntry> list = FXCollections.observableArrayList();
 
    /**
-    *
+    * Method to switch the language used to sort the dictionary list.
+    * <p>
+    * If currently sorted by English, this will change the sort to by Welsh.
+    * If currently sorted by Welsh, this will change the sort to by English.
     */
    @FXML
    private void switchLangSort() {
@@ -97,7 +100,10 @@ public class DictionaryController extends SharedCodeController {
    }
 
    /**
-    *
+    * Method to switch the alphabetical order used to sort the dictionary list.
+    * <p>
+    * If currently sorted by A-Z, this will change the sort to by Z-A.
+    * If currently sorted by Z-A, this will change the sort to by A-Z.
     */
    @FXML
    private void switchAlphaSort() {