Update DirectionalLightHelper.html

Some more correction of the documentation

docs/api/extras/helpers/DirectionalLightHelper.html

@@ -17,7 +17,7 @@
 		<h2>Constructor</h2>
 
 
-		<h3>[name]([DirectionalLight:todo light], [page:Number size])</h3>
+		<h3>[name]([page:DirectionalLight light], [page:Number size])</h3>
 		<div>
 		light -- [page:DirectionalLight] -- Light to visualize <br />
 		size -- dimensions of the plane
@@ -32,18 +32,18 @@
 
 		<h3>[property:Line lightPlane]</h3>
 		<div>
-		todo
+		Contains the line mesh showing the location of the directional light.
 		</div> 
 
 		<h3>[property:DirectionalLight light]</h3>
 		<div>
-		todo
+		Contains the directionalLight.
 		</div> 
 
 		<h3>[property:Line targetLine]</h3>
 		<div>
-		todo
-		</div> 
+		Contains the line mesh that shows the direction of the light. 
+		</div>
 
 		<h2>Methods</h2>