diff --git a/src/edu/kit/informatik/model/FreightCoach.java b/src/edu/kit/informatik/model/FreightCoach.java
index f4aa56a..efc3fe5 100644
--- a/src/edu/kit/informatik/model/FreightCoach.java
+++ b/src/edu/kit/informatik/model/FreightCoach.java
@@ -2,6 +2,12 @@ package edu.kit.informatik.model;
 
 import edu.kit.informatik.ui.InvalidInputException;
 
+/**
+ * A freight coach.
+ * 
+ * @author Arne Keller
+ * @version 1.0
+ */
 public class FreightCoach extends Coach {
     /**
      * ASCII art representation of a freight coach.
diff --git a/src/edu/kit/informatik/model/PassengerCoach.java b/src/edu/kit/informatik/model/PassengerCoach.java
index 45106b1..82f1c17 100644
--- a/src/edu/kit/informatik/model/PassengerCoach.java
+++ b/src/edu/kit/informatik/model/PassengerCoach.java
@@ -2,6 +2,12 @@ package edu.kit.informatik.model;
 
 import edu.kit.informatik.ui.InvalidInputException;
 
+/**
+ * A passenger coach.
+ * 
+ * @author Arne Keller
+ * @version 1.0
+ */
 public class PassengerCoach extends Coach {
     /**
      * ASCII art representation of a passenger coach.
diff --git a/src/edu/kit/informatik/model/RailwayNetwork.java b/src/edu/kit/informatik/model/RailwayNetwork.java
index 9e20a7a..53be22b 100644
--- a/src/edu/kit/informatik/model/RailwayNetwork.java
+++ b/src/edu/kit/informatik/model/RailwayNetwork.java
@@ -164,8 +164,8 @@ public class RailwayNetwork {
     }
 
     /**
-     * Get a sorted list of all rails in the network, specifying their identifier, start and end points, their length and
-     * their current configuration.
+     * Get a sorted list of all rails in the network, specifying their identifier, start and end points, their length
+     * and their current configuration.
      *
      * @return list of rails
      */
diff --git a/src/edu/kit/informatik/model/SpecialCoach.java b/src/edu/kit/informatik/model/SpecialCoach.java
index 63c6335..76c39f9 100644
--- a/src/edu/kit/informatik/model/SpecialCoach.java
+++ b/src/edu/kit/informatik/model/SpecialCoach.java
@@ -2,6 +2,12 @@ package edu.kit.informatik.model;
 
 import edu.kit.informatik.ui.InvalidInputException;
 
+/**
+ * A special coach, used for e.g. firefighting.
+ * 
+ * @author Arne Keller
+ * @version 1.0
+ */
 public class SpecialCoach extends Coach {
     /**
      * ASCII art represantation of a special coach.