diff --git a/OGP1718-Worms/src/worms/model/Worm.java b/OGP1718-Worms/src/worms/model/Worm.java
index 76d543f..84013bc 100644
--- a/OGP1718-Worms/src/worms/model/Worm.java
+++ b/OGP1718-Worms/src/worms/model/Worm.java
@@ -22,10 +22,14 @@ public class Worm {
     // region properties
     //===================================================================================
 
-    // Location
+    /**
+     * this variable contains the location of the worm (a tuple)
+     */
     private Tuple<Double, Double> location;
 
-    // jumping
+    /**
+     * this variable contains the old location of the worm (a tuple)
+     */
     private Tuple<Double, Double> oldLocation;
     
     /**