Fixed whitespace issues with PolarGridHelper.html

docs/api/extras/helpers/PolarGridHelper.html

@@ -19,11 +19,11 @@
 
 		<code>var radius = 10;
 		var radials = 16;
-        var circles = 8;
-        var divisions = 50;
+		var circles = 8;
+		var divisions = 50;
 
 		var helper = new THREE.PolarGridHelper( radius, radials, circles, divisions );
-        scene.add( helper );
+		scene.add( helper );
 		</code>
 		[example:webgl_helpers Example using various helpers]
 
@@ -33,8 +33,8 @@
 		<h3>[name]( [page:Number radius], [page:Number radials], [page:Number circles], [page:Number divisions], [page:Color color1], [page:Color color2] )</h3>
 		<div>
 		radius -- The radius of the polar grid. This can be any positive number. <br />
-        radials -- The number of radial lines. This can be any positive integer. <br />
-        circles -- The number of circles. This can be any positive integer. <br />
+		radials -- The number of radial lines. This can be any positive integer. <br />
+		circles -- The number of circles. This can be any positive integer. <br />
 		divisions -- The number of line segments used for each circle. This can be any positive integer that is 3 or greater. <br />
 		color1 -- The first color used for grid elements. This can be a [page:Color], a hexadecimal value and an CSS-Color name. Default is 0x444444 <br />
 		color2 -- The second color used for grid elements. This can be a [page:Color], a hexadecimal value and an CSS-Color name. Default is 0x888888