Update YOLO_CLASSES.md

Author: makseq

label_studio_ml/examples/yolo/YOLO_CLASSES.md

@@ -3,7 +3,7 @@
 ### Available "yolov8m.pt" model labels for RectangleLabels:
 ['person', 'bicycle', 'car', 'motorcycle', 'airplane', 'bus', 'train', 'truck', 'boat', 'traffic light', 'fire hydrant', 'stop sign', 'parking meter', 'bench', 'bird', 'cat', 'dog', 'horse', 'sheep', 'cow', 'elephant', 'bear', 'zebra', 'giraffe', 'backpack', 'umbrella', 'handbag', 'tie', 'suitcase', 'frisbee', 'skis', 'snowboard', 'sports ball', 'kite', 'baseball bat', 'baseball glove', 'skateboard', 'surfboard', 'tennis racket', 'bottle', 'wine glass', 'cup', 'fork', 'knife', 'spoon', 'bowl', 'banana', 'apple', 'sandwich', 'orange', 'broccoli', 'carrot', 'hot dog', 'pizza', 'donut', 'cake', 'chair', 'couch', 'potted plant', 'bed', 'dining table', 'toilet', 'tv', 'laptop', 'mouse', 'remote', 'keyboard', 'cell phone', 'microwave', 'oven', 'toaster', 'sink', 'refrigerator', 'book', 'clock', 'vase', 'scissors', 'teddy bear', 'hair drier', 'toothbrush']
 
-### Available "yolov8n-obb.pt" model labels for RectangleLabels.OBB:** 
+### Available "yolov8n-obb.pt" model labels for RectangleLabels.OBB:
 ['plane', 'ship', 'storage tank', 'baseball diamond', 'tennis court', 'basketball court', 'ground track field', 'harbor', 'bridge', 'large vehicle', 'small vehicle', 'helicopter', 'roundabout', 'soccer ball field', 'swimming pool']
 
 ### Available "yolov8n-pose.pt" model labels for Keypoints: