diff --git a/OGP1718-Worms/src/Worm.java b/OGP1718-Worms/src/Worm.java
index ef61c2a..dbe5654 100644
--- a/OGP1718-Worms/src/Worm.java
+++ b/OGP1718-Worms/src/Worm.java
@@ -404,16 +404,16 @@ public class Worm {
     //===================================================================================
 
     /**
+     * turns the worm with the given angle
+     * 
      * @param angle
      * 		  the angle that must be added to the orientation
-     *
      * @pre the angle to add must be between 0 and 2pi (including 0)
      * 		|0 <= angle < 2pi
-     *
      * @post the new orientation is the old orientation plus the given angle
-     * 		|new.orientation = orientation + angle
+     * 		|new.getOrientation() = this.getOrientation() + angle
      * @post the resulting angle (= the new orientation) must be between 0 and 2pi (including 0)
-     * 		|0 <= new.orientation < 2pi
+     * 		|0 <= new.getOrientation() < 2pi
      */
     public void turn(double angle) {
     	assert 0 <= angle && angle < (2 * Math.PI);