diff --git a/OGP1718-Worms/src/worms/model/Food.java b/OGP1718-Worms/src/worms/model/Food.java
index e8d4ff8..aa6c6fc 100644
--- a/OGP1718-Worms/src/worms/model/Food.java
+++ b/OGP1718-Worms/src/worms/model/Food.java
@@ -5,7 +5,6 @@ import worms.util.Coordinate;
 public class Food extends GameObject {
 	
 	/**
-	 * 
 	 * @param world
 	 * @param location
 	 * 
@@ -26,21 +25,40 @@ public class Food extends GameObject {
     }
 
 
-
+    /**
+     * @return  ...
+     *          |result == this.poisonous
+     */
     public boolean isPoisonous() {
         return this.poisonous;
     }
 
+    /**
+     * @post ...
+     *       |poisonous == true
+     */
     public void poison() {
         this.poisonous = true;
     }
+
+    /**
+     * @post ...
+     *       |poisonous == false
+     */
     public void heal() {
         this.poisonous = false;
     }
 
     private boolean poisonous = false;
 
-
+    /**
+     * @param location
+     *
+     * @return  ...
+     *          |if (getWorld() != null
+     *          |   result == super.isValidLocation(location) && getWorld().isAdjacent(location, getRadius())
+     *          |result == super.isValidLocation(location)
+     */
     @Override
     protected boolean isValidLocation(Coordinate location) {
         if (getWorld() != null) return super.isValidLocation(location) && getWorld().isAdjacent(location, getRadius());