message: GPURayTracingShaderBindingTableGroupsDescriptor.type is optional
diff: @@ -325,7 +325,7 @@ This descriptor gets extended with the following properties:
  | Name | Type | Description |
  | :--- | :--- | :--- |
  -| type | [GPURayTracingShaderBindingTableGroupType](#GPURayTracingShaderBindingTableGroupType) | Group type
  +| *type* | [GPURayTracingShaderBindingTableGroupType](#GPURayTracingShaderBindingTableGroupType) | Group type
  | *generalIndex* | Number | Index of a general group stage (`.rgen`, `.rmiss`)
  | *closestHitIndex* | Number | Index of a closest-hit stage (`.rchit`)
  | *anyHitIndex* | Number | Index of a any-hit stage (`.rahit`)
  