message: Fix documentation for referencing other classes
  reference-other-classes(gh-page): fix wrong documentation
diff: @@ -18,7 +18,7 @@ class Nested {
  class Main {
  @prop({ ref: Nested })
  - public nested: Nested;
  + public nested: Ref<Nested>;
  }
  ```
  @@ -34,7 +34,7 @@ class Nested {
  class Main {
  @prop({ ref: "Nested" })
  - public nested: Nested;
  + public nested: Ref<Nested>;
  }
  ```
  