message: Update AbstractBaseShader for v9.245
diff: @@ -14,7 +14,7 @@ declare abstract class AbstractBaseShader extends PIXI.Shader {
  /**
  * The raw vertex shader used by this class.
  - * A subclass of AbstractBaseShader must implement the fragmentShader static field.
  + * A subclass of AbstractBaseShader must implement the vertexShader static field.
  * @defaultValue `""`
  *
  * @remarks This is abstract, subclasses must implement it.
  