Document InstancedMesh multi-material support. (#975)

Author: Methuselah96

types/three/src/objects/InstancedMesh.d.ts

@@ -16,7 +16,7 @@ export interface InstancedMeshEventMap extends Object3DEventMap {
 /**
  * A special version of {@link THREE.Mesh | Mesh} with instanced rendering support
  * @remarks
- * Use {@link InstancedMesh} if you have to render a large number of objects with the same geometry and material but with different world transformations
+ * Use {@link InstancedMesh} if you have to render a large number of objects with the same geometry and material(s) but with different world transformations
  * @remarks
  * The usage of {@link InstancedMesh} will help you to reduce the number of draw calls and thus improve the overall rendering performance in your application.
  * @see Example: {@link https://threejs.org/examples/#webgl_instancing_dynamic | WebGL / instancing / dynamic}
@@ -33,8 +33,8 @@ export class InstancedMesh<
 > extends Mesh<TGeometry, TMaterial, TEventMap> {
     /**
      * Create a new instance of {@link InstancedMesh}
-     * @param geometry An instance of {@link THREE.BufferGeometry | BufferGeometry}.
-     * @param material A single or an array of {@link THREE.Material | Material}. Default {@link THREE.MeshBasicMaterial | `new THREE.MeshBasicMaterial()`}.
+     * @param geometry An instance of {@link BufferGeometry}.
+     * @param material A single or an array of {@link Material}. Default is a new {@link MeshBasicMaterial}.
      * @param count The **maximum** number of instances of this Mesh. Expects a `Integer`
      */
     constructor(geometry: TGeometry | undefined, material: TMaterial | undefined, count: number);