Address review on docs for Box3/PlaneHelper

docs/api/helpers/Box3Helper.html

@@ -21,8 +21,8 @@
 
 		<code>
 		var box = new THREE.Box3();
-		// Initialize the box somehow:
 		box.setFromCenterAndSize( new THREE.Vector3( 1, 1, 1 ), new THREE.Vector3( 2, 1, 3 ) );
+
 		var helper = new THREE.Box3Helper( box, 0xffff00 );
 		scene.add( helper );
 		</code>

docs/api/helpers/PlaneHelper.html

@@ -20,8 +20,8 @@
 		<h2>Example</h2>
 
 		<code>
-		var plane = new THREE.Plane(new THREE.Vector3(1, 1, 0.2), 3);
-		helper = new THREE.PlaneHelper( plane, 1, 0xffff00 );
+		var plane = new THREE.Plane( new THREE.Vector3( 1, 1, 0.2 ), 3 );
+		var helper = new THREE.PlaneHelper( plane, 1, 0xffff00 );
 		scene.add( helper );
 		</code>
 
@@ -32,7 +32,7 @@
 		<h3>[name]( [page:Plane plane], [page:Float size], [page:Color hex] )</h3>
 		<div>
 		[page:Plane plane] --  the plane to visualize.<br />
-		[page:Float size] -- (optional) side length of plane helper. Default is 1.
+		[page:Float size] -- (optional) side length of plane helper. Default is 1.<br />
 		[page:Color color] --  (optional) the color of the helper. Default is 0xffff00.<br /><br />
 
 		Creates a new wireframe representation of the passed plane.

docs/list.js

@@ -183,12 +183,14 @@ var list = {
 			"ArrowHelper": "api/helpers/ArrowHelper",
 			"AxisHelper": "api/helpers/AxisHelper",
 			"BoxHelper": "api/helpers/BoxHelper",
+			"Box3Helper": "api/helpers/Box3Helper",
 			"CameraHelper": "api/helpers/CameraHelper",
 			"DirectionalLightHelper": "api/helpers/DirectionalLightHelper",
 			"FaceNormalsHelper": "api/helpers/FaceNormalsHelper",
 			"GridHelper": "api/helpers/GridHelper",
 			"PolarGridHelper": "api/helpers/PolarGridHelper",
 			"HemisphereLightHelper": "api/helpers/HemisphereLightHelper",
+			"PlaneHelper": "api/helpers/PlaneHelper",
 			"PointLightHelper": "api/helpers/PointLightHelper",
 			"RectAreaLightHelper": "api/helpers/RectAreaLightHelper",
 			"SkeletonHelper": "api/helpers/SkeletonHelper",