Update GLTFLoader.html

docs/examples/loaders/GLTFLoader.html

@@ -37,7 +37,7 @@
 		</ul>
 
 		<p><i>
-			<sup>1</sup>Requires [link:https://threejs.org/docs/#api/en/renderers/WebGLRenderer.physicallyCorrectLights renderer.physicallyCorrectLights=true].
+			<sup>1</sup>Requires [link:https://threejs.org/docs/#api/en/renderers/WebGLRenderer.physicallyCorrectLights physicallyCorrectLights] to be enabled.
 		</i></p>
 		<p><i>
 			<sup>2</sup>UV transforms are supported, with several key limitations. Transforms applied to