Update DirectionalLightShadowRenderer.java

jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowRenderer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2019 jMonkeyEngine
+ * Copyright (c) 2009-2020 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -242,12 +242,12 @@ public class DirectionalLightShadowRenderer extends AbstractShadowRenderer {
         return lambda;
     }
 
-    /*
-     * Adjust the repartition of the different shadow maps in the shadow extend
-     * usually goes from 0.0 to 1.0
-     * a low value give a more linear repartition resulting in a constant quality in the shadow over the extends, but near shadows could look very jagged
-     * a high value give a more logarithmic repartition resulting in a high quality for near shadows, but the quality quickly decrease over the extend.
-     * the default value is set to 0.65f (theoretic optimal value).
+    /**
+     * Adjust the repartition of the different shadow maps in the shadow extend.
+     * Lambda is usually between 0 and 1.
+     * A low value give a more linear repartition resulting in a constant quality in the shadow over the extends, but near shadows could look very jagged.
+     * A high value give a more logarithmic repartition resulting in a high quality for near shadows, but the quality quickly decrease over the extend.
+     * The default value is 0.65f (theoretical optimal value).
      * @param lambda the lambda value.
      */
     public void setLambda(float lambda) {