Update README.md

README.md

@@ -10,6 +10,8 @@ tags:
 pretty_name: XCodeSearchNet
 ---
 
+##　pre-training data
+You need to manually combine each dataset if you want to use a multilingual dataset.
 ```python
 from datasets import load_dataset
 xcsn_pt_python_en = load_dataset("ynklab/XCodeSearchNet", data_dir='pretraining/python/en')
@@ -21,6 +23,7 @@ print(xcsn_pt_python_en['train'][0])
 }
 """
 ```
+##　fine-tuning data
 
 ```python
 from datasets import load_dataset