Update README.md

README.md

@@ -33,6 +33,7 @@ More information needed
 
 Tuning script used:
 
+```python
 set BASE_MODEL=yikuan8/Clinical-Longformer
 set OUTPUT_DIR=U:\Documents...
 
@@ -53,6 +54,7 @@ python run_qa.py ^
   --fp16 ^
   --output_dir %OUTPUT_DIR% ^
   --overwrite_output_dir
+```
 
 ### Training hyperparameters