updated mask

Author: Matze99

src/clips/mask/mask.ts

@@ -2,7 +2,7 @@ import { Graphics } from "pixi.js";
 import type { MaskProps } from "./mask.types";
 
 /**
- * A mask is a clip that is used to mask another visual clip.
+ * A mask is used to mask another visual clip.
  */
 export class Mask extends Graphics {
     constructor(props: MaskProps) {