Update dist/preview release/what's new.md

Co-Authored-By: Drigax <nickmaxx@gmail.com>

dist/preview release/what's new.md

@@ -156,7 +156,7 @@
 ### glTF Serializer
 
 - Added support for exporting `KHR_lights_punctual`
-- Exporting a GLTF from a Babylon scene with Right handed coordinate system should no longer cause the mesh normals to flip.
+- Exporting a glTF from a Babylon scene with right-handed coordinate system should no longer cause the mesh normals to flip.
 ([Nicholas Barlow](https://github.com/drigax))
 
 ### Post-Processes Library