light: minor non-functional changes

jme3-core/src/main/java/com/jme3/light/DefaultLightFilter.java

@@ -44,6 +44,7 @@ public final class DefaultLightFilter implements LightFilter {
     private Camera camera;
     private final HashSet<Light> processedLights = new HashSet<Light>();
     
+    @Override
     public void setCamera(Camera camera) {
         this.camera = camera;
         for (Light light : processedLights) {
@@ -51,6 +52,7 @@ public final class DefaultLightFilter implements LightFilter {
         }
     }
 
+    @Override
     public void filterLights(Geometry geometry, LightList filteredLightList) {
         TempVars vars = TempVars.get();
         try {

jme3-core/src/main/java/com/jme3/light/Light.java

@@ -197,7 +197,7 @@ public abstract class Light implements Savable, Cloneable {
     public abstract boolean intersectsBox(BoundingBox box, TempVars vars);
     
     /**
-     * Determines if the lgiht intersects with the given camera frustum.
+     * Determines if the light intersects with the given camera frustum.
      * 
      * For non-local lights, such as {@link DirectionalLight directional lights},
      * {@link AmbientLight ambient lights}, or {@link PointLight point lights}