added docs for chekcpoint_path

Author: lufre1

synapse_net/training/supervised_training.py

@@ -244,6 +244,7 @@ def supervised_training(
         out_channels: The number of output channels of the UNet.
         mask_channel: Whether the last channels in the labels should be used for masking the loss.
             This can be used to implement more complex masking operations and is not compatible with `ignore_label`.
+        checkpoint_path: Path to the directory where 'best.pt' resides; continue training this model.
         loader_kwargs: Additional keyword arguments for the dataloader.
     """
     train_loader = get_supervised_loader(train_paths, raw_key, label_key, patch_shape, batch_size,