Update TRK README 2

Author: scannito

Detectors/Upgrades/ALICE3/TRK/README.md

@@ -15,7 +15,7 @@ Configurables for various sub-detectors are presented in the following Table:
 | Subsystem          | Available options                                       | Comments                                                         |
 | ------------------ | ------------------------------------------------------- | ---------------------------------------------------------------- |
 | `TRKBase.layoutVD` | `kIRIS4` (default), `kIRISFullCyl`, `kIRIS5`, `kIRIS4a` | [link to definitions](./base/include/TRKBase/TRKBaseParam.h) |
-| `TRKBase.layoutMLOT` | `kCylindrical`, `kSegmented` (default)     |                                                                  |
+| `TRKBase.layoutMLOT` | `kCylindrical`, `kSegmented` (default)     | `kSegmented` produced a Turbo layout for ML and a Staggered layout for OT                                                                 |
 | `TRKBase.layoutSRV` | `kPeacockv1` (default), `kLOISymm` | `kLOISymm` produces radially symmetric service volumes, as used in the LoI |
 
 For example, a geometry with fully cylindrical tracker barrel (for all layers in VD, ML and OT) can be obtained by