Update README.md

README.md

@@ -70,7 +70,7 @@ For this version, our primary focus has been on achieving high-quality OCR for b
 pip install typhoon-ocr
 ```
 
-```
+```python
 from typhoon_ocr import ocr_document
 
 # please set env TYPHOON_OCR_API_KEY or OPENAI_API_KEY to use this function