diff --git a/docs/tutorial-EN.md b/docs/tutorial-EN.md
index f6515e7a37..1ab47b9b1f 100644
--- a/docs/tutorial-EN.md
+++ b/docs/tutorial-EN.md
@@ -51,7 +51,7 @@ Similar to editing the template, modify the running configuration
 ![Create user_config.py](./images/edit-user-config.png 'Create user_config.py')
 
 1. Create file
-2. Name the configuration file user_config.txt
+2. Name the configuration file user_config.py
 3. Paste the default template, modify source_file = "user_demo.txt"; final_file = "user_result.txt"
 4. Click Commit changes... to save.
 
diff --git a/docs/tutorial.md b/docs/tutorial.md
index 95945cdbe7..afa90e020b 100644
--- a/docs/tutorial.md
+++ b/docs/tutorial.md
@@ -51,7 +51,7 @@
 ![创建user_config.py](./images/edit-user-config.png '创建user_config.py')
 
 1. 创建文件
-2. 配置文件命名为 user_config.txt
+2. 配置文件命名为 user_config.py
 3. 粘贴默认模板，修改 source_file = "user_demo.txt"；final_file = "user_result.txt"
 4. 点击 Commit changes...进行保存