whats new

dist/preview release/what's new.md

@@ -22,7 +22,7 @@
 - UtilityLayer class to render another scene as a layer on top of an existing scene ([TrevorDev](https://github.com/TrevorDev))
 - AnimationGroup has now onAnimationGroupEnd observable ([RaananW](https://github.com/RaananW))
 - Pointer drag behavior to enable drag and drop with mouse or 6dof controller on a mesh ([TrevorDev](https://github.com/TrevorDev))
-- Gizmo class used to manipulate meshes in a scene, position, rotation, scale gizmos ([TrevorDev](https://github.com/TrevorDev))
+- Gizmo and gizmoManager class used to manipulate meshes in a scene, position, rotation, scale gizmos ([TrevorDev](https://github.com/TrevorDev))
 
 ### glTF Loader