Added --cpu to README [no ci]

README.md

@@ -40,11 +40,11 @@ lungtumormask input_file output_file
 lungtumormask patient_01.nii.gz mask_01.nii.gz
 
 # Custom arguments
-lungtumormask patient_01.nii.gz mask_01.nii.gz --lung-filter --threshold 0.3 --radius 3 --batch-size 8
+lungtumormask patient_01.nii.gz mask_01.nii.gz --lung-filter --threshold 0.3 --radius 3 --batch-size 8 --cpu
 ```
 
-In the last example, we filter tumor candidates outside the lungs, use a lower probability threshold to boost recall, and use a morphological smoothing step
-to fill holes inside segmentations using a disk kernel of radius 3.
+In the last example, we filter tumor candidates outside the lungs, use a lower probability threshold to boost recall, use a morphological smoothing step
+to fill holes inside segmentations using a disk kernel of radius 3, and `--cpu` to disable the GPU during computation.
 
 ## [Applications](https://github.com/VemundFredriksen/LungTumorMask#applications)
 * The software has been successfully integrated into the open platform [Fraxinus](https://github.com/SINTEFMedtek/Fraxinus).