rem trailing space

src/lights/AmbientLight.d.ts

@@ -21,7 +21,7 @@ export class AmbientLight extends Light {
 	type: string;
 
 	/**
-	 * This light cannot be used to cast shadows as it does not have a direction. 
+	 * This light cannot be used to cast shadows as it does not have a direction.
 	 */
 	castShadow: undefined;
 	readonly isAmbientLight: true;