diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/DieMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/DieMessage.java
index cff6b903..9d9c8708 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/DieMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/DieMessage.java
@@ -17,7 +17,7 @@ public class DieMessage extends ServerMessage {
     /**
      * Constructor for Dice
      *
-     * @param diceEye        the eye of the dice
+     * @param diceEye the eye of the dice
      */
     public DieMessage(int diceEye) {
         super();
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/IncorrectRequestMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/IncorrectRequestMessage.java
index fca98c98..59429c01 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/IncorrectRequestMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/IncorrectRequestMessage.java
@@ -15,6 +15,7 @@ public class IncorrectRequestMessage extends ServerMessage {
      * @param id as the id of the error message as an Integer.
      */
     public IncorrectRequestMessage(int id) {
+        super();
         this.id = id;
     }
 
@@ -22,6 +23,7 @@ public IncorrectRequestMessage(int id) {
      * Constructor.
      */
     public IncorrectRequestMessage() {
+        super();
         this.id = 0;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerJoinedMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerJoinedMessage.java
index 1feb0e5a..edcc421f 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerJoinedMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerJoinedMessage.java
@@ -42,6 +42,7 @@ public LobbyPlayerJoinedMessage(int id, Player player, boolean host) {
      * Default constructor for serialization purposes.
      */
     private LobbyPlayerJoinedMessage() {
+        super();
         player = null;
         id = 0;
         host = false;
@@ -61,7 +62,7 @@ public Player getPlayer() {
      *
      * @return the id of the player
      */
-    public int getId(){
+    public int getId() {
         return id;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerLeaveMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerLeaveMessage.java
index aac97869..3c6bbba2 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerLeaveMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyPlayerLeaveMessage.java
@@ -16,7 +16,7 @@ public class LobbyPlayerLeaveMessage extends ServerMessage {
     /**
      * Constructs a new LobbyPlayerLeave instance with the specified player name and color.
      *
-     * @param id  the id of the player leaving the lobby.
+     * @param id the id of the player leaving the lobby.
      */
     public LobbyPlayerLeaveMessage(int id) {
         super();
@@ -27,6 +27,7 @@ public LobbyPlayerLeaveMessage(int id) {
      * Default constructor for serialization purposes.
      */
     private LobbyPlayerLeaveMessage() {
+        super();
         id = 0;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/MoveMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/MoveMessage.java
index 01e3ff77..769a8152 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/MoveMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/MoveMessage.java
@@ -40,6 +40,7 @@ public MoveMessage(UUID identifier, boolean isHomeMove, int targetIndex) {
      * Default constructor for serialization purposes.
      */
     private MoveMessage() {
+        super();
         pieceUUID = null;
         targetIndex = 0;
         isHomeMove = false;
@@ -59,7 +60,7 @@ public UUID getIdentifier() {
      *
      * @return the target index
      */
-    public int getTargetIndex(){
+    public int getTargetIndex() {
         return targetIndex;
     }
 
@@ -68,7 +69,7 @@ public int getTargetIndex(){
      *
      * @return the boolean isHomeMove.
      */
-    public boolean isHomeMove(){
+    public boolean isHomeMove() {
         return isHomeMove;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PauseGameMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PauseGameMessage.java
index ccb70503..1edafcda 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PauseGameMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PauseGameMessage.java
@@ -7,7 +7,6 @@
  */
 @Serializable
 public class PauseGameMessage extends ServerMessage {
-
     /**
      * the id of the player who has disconnected
      */
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PlayCardMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PlayCardMessage.java
index 66b7e3ed..b81f381d 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PlayCardMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/PlayCardMessage.java
@@ -20,15 +20,21 @@ public class PlayCardMessage extends ServerMessage {
      */
     private final UUID ownPieceID;
 
+    /**
+     * The identifier of the enemy piece that should be moved.
+     */
     private final UUID enemyPieceID;
 
+    /**
+     * The modifier of the dice.
+     */
     private final int diceModifier;
 
     /**
      * Constructs a new PlayCard message.
      *
-     * @param card            the card that should be played
-     * @param ownPieceID the identifier of the piece that should be moved
+     * @param card         the card that should be played
+     * @param ownPieceID   the identifier of the piece that should be moved
      * @param enemyPieceID the identifier of the enemy piece that should be moved
      * @param diceModifier the new modifier of the dice
      */
@@ -53,7 +59,7 @@ private PlayCardMessage() {
     /**
      * Creates a new PlayCard message for the given card and piece identifier.
      *
-     * @param ownPieceID the identifier of the piece of the player that should be affected
+     * @param ownPieceID   the identifier of the piece of the player that should be affected
      * @param enemyPieceID the identifier of the enemy piece that should be affected
      * @return a new PlayCard message
      */
@@ -77,7 +83,7 @@ public static PlayCardMessage shield(UUID ownPieceID) {
      * @param diceModifier the new modifier of the dice
      * @return newly constructed message
      */
-    public static PlayCardMessage turbo(int diceModifier){
+    public static PlayCardMessage turbo(int diceModifier) {
         return new PlayCardMessage(BonusCard.TURBO, null, null, diceModifier);
     }
 
@@ -114,7 +120,7 @@ public UUID getPieceIdentifierEnemy() {
      *
      * @return the dice modifier as int
      */
-    public int getDiceModifier(){
+    public int getDiceModifier() {
         return diceModifier;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SelectPieceMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SelectPieceMessage.java
index 601160a9..d9d57b86 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SelectPieceMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SelectPieceMessage.java
@@ -5,21 +5,35 @@
 import java.util.List;
 import java.util.UUID;
 
+/**
+ * A message sent by the server to the active player to select a piece to move.
+ */
 @Serializable
-public class SelectPieceMessage extends ServerMessage{
-
+public class SelectPieceMessage extends ServerMessage {
+    /**
+     * The list of pieces
+     */
     private final List<UUID> pieces;
+
+    /**
+     * The list of booleans of isHomeMove of the pieces
+     */
     private final List<Boolean> isHomeMove;
+
+    /**
+     * The list of indexes of target nodes of the pieces
+     */
     private final List<Integer> targetIndex;
 
     /**
      * Constructs a new SelectPiece instance.
      *
-     * @param pieces the pieces to be selected
-     * @param isHomeMove the List of booleans of isHomeMove of the pieces
+     * @param pieces      the pieces to be selected
+     * @param isHomeMove  the List of booleans of isHomeMove of the pieces
      * @param targetIndex the List of indexes of target nodes of the pieces
      */
-    public SelectPieceMessage(List<UUID> pieces, List<Boolean> isHomeMove, List<Integer> targetIndex){
+    public SelectPieceMessage(List<UUID> pieces, List<Boolean> isHomeMove, List<Integer> targetIndex) {
+        super();
         this.pieces = pieces;
         this.isHomeMove = isHomeMove;
         this.targetIndex = targetIndex;
@@ -28,7 +42,8 @@ public SelectPieceMessage(List<UUID> pieces, List<Boolean> isHomeMove, List<Inte
     /**
      * Default constructor for serialization purposes.
      */
-    public SelectPieceMessage(){
+    public SelectPieceMessage() {
+        super();
         pieces = null;
         isHomeMove = null;
         targetIndex = null;
@@ -39,7 +54,7 @@ public SelectPieceMessage(){
      *
      * @return the pieces
      */
-    public List<UUID> getPieces(){
+    public List<UUID> getPieces() {
         return pieces;
     }
 
@@ -48,7 +63,7 @@ public List<UUID> getPieces(){
      *
      * @return List of boolean values
      */
-    public List<Boolean> getIsHomeMove(){
+    public List<Boolean> getIsHomeMove() {
         return isHomeMove;
     }
 
@@ -57,7 +72,7 @@ public List<Boolean> getIsHomeMove(){
      *
      * @return List of integers
      */
-    public List<Integer> getTargetIndex(){
+    public List<Integer> getTargetIndex() {
         return targetIndex;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerInterpreter.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerInterpreter.java
index edb54c9a..67dcf802 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerInterpreter.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerInterpreter.java
@@ -36,7 +36,7 @@ public interface ServerInterpreter {
     /**
      * Handles a Die message received from the server.
      *
-     * @param msg the Dice message received
+     * @param msg the Die message received
      */
     void received(DieMessage msg);
 
@@ -55,16 +55,16 @@ public interface ServerInterpreter {
     void received(DiceNowMessage msg);
 
     /**
-     * Handles an EndOfGame message received from the server.
+     * Handles an EndOfTurn message received from the server.
      *
-     * @param msg the EndOfGame message received
+     * @param msg the EndOfTurn message received
      */
     void received(EndOfTurnMessage msg);
 
     /**
-     * Handles a GameOver message received from the server.
+     * Handles a LobbyAccept message received from the server.
      *
-     * @param msg the GameOver message received
+     * @param msg the LobbyAccept message received
      */
     void received(LobbyAcceptMessage msg);
 
@@ -132,9 +132,9 @@ public interface ServerInterpreter {
     void received(PossiblePieceMessage msg);
 
     /**
-     * Handles a RankingResponce message received from the server.
+     * Handles a RankingResponse message received from the server.
      *
-     * @param msg the RankingResponce message received
+     * @param msg the RankingResponse message received
      */
     void received(RankingResponseMessage msg);
 
@@ -209,9 +209,9 @@ public interface ServerInterpreter {
     void received(SelectPieceMessage msg);
 
     /**
-     * Handles a SelectTSK message received from the server.
+     * Handles a Shutdown message received from the server.
      *
-     * @param msg the SelectTSK message received.
+     * @param msg the Shutdown message received.
      */
     void received(ShutdownMessage msg);
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerStartGameMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerStartGameMessage.java
index 7017a89a..522d0284 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerStartGameMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerStartGameMessage.java
@@ -13,9 +13,13 @@
 @Serializable
 public class ServerStartGameMessage extends ServerMessage {
     /**
-     * Create ServerStartGameMessage attributes.
+     * The list of players.
      */
     private final List<Player> players;
+
+    /**
+     * The board of the game.
+     */
     private final Board board;
 
     /**
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ShutdownMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ShutdownMessage.java
index ad4aa70a..06ce9c12 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ShutdownMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/ShutdownMessage.java
@@ -7,6 +7,13 @@
  */
 @Serializable
 public class ShutdownMessage extends ServerMessage {
+    /**
+     * Constructs a new Shutdown message.
+     */
+    public ShutdownMessage() {
+        super();
+    }
+
     /**
      * Accepts a visitor to process this message.
      *
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
index 1c7287b4..b7cc8890 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
@@ -1,7 +1,7 @@
 package pp.mdga.message.server;
 
 /**
- *
+ * A message sent by the server to indicate that the client is now a spectator.
  */
 public class SpectatorMessage extends ServerMessage {
     /**
@@ -12,7 +12,6 @@ public SpectatorMessage() {
     }
 
     /**
-     *
      * @param interpreter the visitor to process this message
      */
     @Override
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/StartPieceMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/StartPieceMessage.java
index c14dd3b8..da62cf47 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/StartPieceMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/StartPieceMessage.java
@@ -23,7 +23,7 @@ public class StartPieceMessage extends ServerMessage {
      * Constructs a new StartPiece instance with the specified piece identifier.
      *
      * @param pieceIdentifier the identifier for the piece
-     * @param targetIndex the index of the targetNode
+     * @param targetIndex     the index of the targetNode
      */
     public StartPieceMessage(UUID pieceIdentifier, int targetIndex) {
         super();
@@ -54,7 +54,7 @@ public UUID getPieceIdentifier() {
      *
      * @return the index of the target node as int.
      */
-    public int getTargetIndex(){
+    public int getTargetIndex() {
         return targetIndex;
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateReadyMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateReadyMessage.java
index 97a8989b..d8b03d23 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateReadyMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateReadyMessage.java
@@ -21,7 +21,7 @@ public class UpdateReadyMessage extends ServerMessage {
      * Constructs a new UpdateReady instance with the specified color and readiness status.
      *
      * @param playerId the playerId associated with the update
-     * @param ready the readiness status
+     * @param ready    the readiness status
      */
     public UpdateReadyMessage(int playerId, boolean ready) {
         super();
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateTSKMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateTSKMessage.java
index f1038659..83f9773a 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateTSKMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/UpdateTSKMessage.java
@@ -18,12 +18,15 @@ public class UpdateTSKMessage extends ServerMessage {
      */
     private final Color color;
 
+    /**
+     * The flag if the TSK is taken.
+     */
     private final boolean isTaken;
 
     /**
      * Constructs a new UpdateTSK instance with the specified id and color.
      *
-     * @param id  the name associated with the update
+     * @param id    the name associated with the update
      * @param color the color associated with the update
      */
     public UpdateTSKMessage(int id, Color color, boolean isTaken) {
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/WaitPieceMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/WaitPieceMessage.java
index fa425790..d2437a70 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/WaitPieceMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/WaitPieceMessage.java
@@ -9,7 +9,9 @@
  */
 @Serializable
 public class WaitPieceMessage extends ServerMessage {
-
+    /**
+     * The pieceID of the piece to choose.
+     */
     private final UUID pieceID;
 
     /**