Update GridHelper.html

docs/api/extras/helpers/GridHelper.html

@@ -14,14 +14,14 @@
 		<h2>Example</h2>
 
 		<code>
-				var size = 10;
-				var step = 1;
-				var gridHelper = new THREE.GridHelper(size, step);
-				
-				gridHelper.position = new THREE.Vector3(10,10,0);
-				gridHelper.rotation = new THREE.Euler(15,0,0);
-				
-				scene.add( gridHelper );
+			var size = 10;
+			var step = 1;
+			var gridHelper = new THREE.GridHelper(size, step);
+			
+			gridHelper.position = new THREE.Vector3(10,10,0);
+			gridHelper.rotation = new THREE.Euler(15,0,0);
+			
+			scene.add( gridHelper );
 		</code>
 
 		<h2>Constructor</h2>