diff --git a/tutorial/autofinetune-nlp.md b/tutorial/autofinetune-nlp.md
index d367243688df43e9708dff7dea301d0a657937cb..74d762301a73871fe98e8e5f737a5c7dfae2baeb 100644
--- a/tutorial/autofinetune-nlp.md
+++ b/tutorial/autofinetune-nlp.md
@@ -29,7 +29,7 @@ param_list:
   greater_than : 0.0
 ```
 
-以下是中文情感分类的train.py
+以下是中文情感分类的`train.py`
 
 ```python
 from __future__ import absolute_import