message: Update src/base.ts
diff: @@ -303,9 +303,9 @@ export class Base {
  return "base";
  }
  /**
  - * Use it to find out if the current instance has getType() equals to 'typeName' or inherited from this typeName
  - * @param typeName the string in lowercase, a SurveyJS type name
  - * @returns true if the current instance has getType() equals to 'typeName' or inherited from this typeName
  + * Use this method to find out if the current instance is of the given `typeName` or inherited from it.
  + * @param `typeName` One of the values listed in the [getType()](https://surveyjs.io/Documentation/Library?id=surveymodel#getType) description.
  + * @returns true if the current instance is of the given `typeName` or inherited from it
  * @see getType
  */
  public isDescendantOf(typeName: string): boolean {
  