diff --git a/examples/lora_single_gpu/prepare.sh b/examples/lora_single_gpu/prepare.sh
index 3652cea4..e86de636 100644
--- a/examples/lora_single_gpu/prepare.sh
+++ b/examples/lora_single_gpu/prepare.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# use `--tokenized_path` in training script to load data
 
 CUDA_VISIBLE_DEVICES= python ../../src/train_bash.py \
     --stage sft \