[Fix][Docs] Remove a typo from YOLOv8 docs (#1044)

* Update README.md

* Update src/deepsparse/yolov8/README.md

src/deepsparse/yolov8/README.md

@@ -111,8 +111,8 @@ You can quickly do benchmarking tests on your own with a single CLI command!
 You only need to provide the model path of the local ONNX model to get started:
 
 ```bash
-# Install packages for DeepSparse and YOLOv8
-pip install deepsparse[yolov8] ultralytics
+# Install DeepSparse package with `ultralytics` (YOLOv8) dependency
+pip install deepsparse[yolov8]
 # Export YOLOv8n and YOLOv8s ONNX models
 yolo task=detect mode=export model=yolov8n.pt format=onnx opset=13
 yolo task=detect mode=export model=yolov8s.pt format=onnx opset=13