lesson-4.md

@@ -35,7 +35,7 @@ The *BlackWhiteSensor.java* class also prints light values to the display as a p
 **White** | **Black**
 --- | ---
 51 | 33
-1 | 2
+
   // The threshold is calculated as the median between 
 	   // the two readings over the two types of surfaces
 - Virkede fint.