message: docs(array-types): fix example
diff: @@ -15,7 +15,7 @@ Example:
  ```ts
  class ModelClass {
  // required field, with empty array by default.
  - @prop({ required: true, default: [] })
  + @prop({ type: String, required: true, default: [] })
  public field!: mongoose.Types.Array<string>;
  }
  ```
  