Merge pull request #6322 from Vinc3r/master

404 doc link

src/Materials/PBR/pbrBaseMaterial.ts

@@ -250,7 +250,7 @@ export class PBRMaterialDefines extends MaterialDefines
  *
  * This offers the main features of a standard PBR material.
  * For more information, please refer to the documentation :
- * http://doc.babylonjs.com/extensions/Physically_Based_Rendering
+ * https://doc.babylonjs.com/how_to/physically_based_rendering
  */
 export abstract class PBRBaseMaterial extends PushMaterial {
     /**

src/Materials/PBR/pbrMaterial.ts

@@ -16,7 +16,7 @@ import { _TypeStore } from '../../Misc/typeStore';
  *
  * This offers the main features of a standard PBR material.
  * For more information, please refer to the documentation :
- * http://doc.babylonjs.com/extensions/Physically_Based_Rendering
+ * https://doc.babylonjs.com/how_to/physically_based_rendering
  */
 export class PBRMaterial extends PBRBaseMaterial {
     /**