diff --git a/Tutorial.md b/Tutorial.md
index e433763..bb3e59c 100644
--- a/Tutorial.md
+++ b/Tutorial.md
@@ -93,7 +93,13 @@
         $ nvidia-smi
         ```
 
+6. 
+
+
 5. 선행학습(pretrain) 진행
+
+   참고: 그래픽 카드 수에 따라 `--num_processes` 값 조정하여야 함.
+
    ```
-   $ accelerate launch --config_file configs/accelerate_configs/ds_stage1.yaml train_lm.py --train_config configs/pretrain_config.yaml --model_config configs/model_configs/7B.json 
+   $ accelerate launch --num_processes=1 --config_file configs/accelerate_configs/ds_stage1.yaml train_lm.py --train_config configs/pretrain_config.yaml --model_config configs/model_configs/7B.json 
    ```
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