message: Formatting improvements and minor typo
  Formatting improvements
diff: @@ -101,7 +101,7 @@ class User extends Typegoose {
  car: Ref<Car>;
  }
  ```
  -Please note that sub documents doesn't have to extend Typegoose. You can still give them default value in `prop` decorator, but you can't create static or instance methods on them.
  +Please note that sub documents do not have to extend Typegoose. You can still give them default value in `prop` decorator, but you can't create static or instance methods on them.
  ## Requirements
  @@ -177,12 +177,6 @@ indexedField?: string;
  - `unique`: Just like the [Mongoose unique](http://mongoosejs.com/docs/api.html#schematype_SchemaType-unique), tells Mongoose to ensure a unique index is created for this path.
  -```typescript
  -// this field is now unique across the collection
  -@prop({ unique: true })
  -uniqueId?: string;
  -```
  -
  ```typescript
  // this field is now unique across the collection
  @prop({ unique: true })
  