Update WebGLRenderer.html

autoScaleCubemaps
Default is true. If set, then Cubemaps are scaled, when the(y) are bigger the(than) the maximum size, to make sure that they aren't bigger then(than) the maximum size.

docs/api/renderers/WebGLRenderer.html

@@ -126,7 +126,7 @@
 
 		<h3>.[page:Boolean autoScaleCubemaps]</h3>
 
-		<div>Default is true. If set, then Cubemaps are scaled, when the are bigger the the maximum size, to make sure that they aren't bigger then the maximum size.</div>
+		<div>Default is true. If set, then Cubemaps are scaled, when they are bigger than the maximum size, to make sure that they aren't bigger than the maximum size.</div>
 
 
 		<h3>.[page:Boolean renderPluginsPre]</h3>