Part-2a.-Extending-my-first-service.md

@@ -47,7 +47,7 @@ Lets take advantage of that, to add timing data our request/response cycle, run
 
 Enter insert-mode ( press `i` ), and insert the following code at line 7 ( below `app = FastAPI()` )
 
-```plaintext
+```python
 
 from time import time
 from fastapi import Request
@@ -61,11 +61,13 @@ async def add_process_time_header(request: Request, call_next):
     response.headers["X-Process-Time"] = str(process_time)
     return response
 
+
 ```
 
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