[DOCS] Chat QnA Core - fix api (open-edge-platform#2068)

Signed-off-by: Sebastian Golebiewski <sebastianx.golebiewski@intel.com>
Co-authored-by: Golebiewski, SebastianX <sebastianx.golebiewski@intel.com>

Author: wiwaszko-intel

microservices/model-download/docs/user-guide/get-started.md

@@ -232,7 +232,7 @@ curl -X POST "http://<host-ip>:8200/api/v1/models/download?download_path=ovms_mo
     }
   ],
   "parallel_downloads": false
-}
+}'
 ```
 
 **NOTES**
@@ -373,7 +373,7 @@ To validate changes locally before deploying:
   uv run pytest tests/unit -v
   ```
 
-Use `pytest tests/ --cov=src --cov-report=term` if you also need coverage metrics. See [docs/user-guide/running-tests.md](docs/user-guide/running-tests.md) for advanced filtering options and troubleshooting tips.
+Use `pytest tests/ --cov=src --cov-report=term` if you also need coverage metrics. See [docs/user-guide/running-tests.md](./running-tests.md) for advanced filtering options and troubleshooting tips.
 
 ## Best Practices
 

sample-applications/chat-question-and-answer-core/docs/user-guide/_assets/chatqna-api.yml

@@ -254,7 +254,7 @@ paths:
             detail:
             type: string
           example:
-          detail: Device device_name not found. Available devices: [device1, device2]
+            detail: Device device_name not found. Available devices: [device1, device2]
       '500':
         description: Internal server error
         content: