Update README.md

README.md

@@ -161,10 +161,10 @@ Here's an overview of our dataset structure:
         }
     ],
 
-    'speaker bbox': [ # speaker bounding boxes
+    'speaker_bbox': [  # Speaker bounding boxes
         {
             'frame_id': int,  # Frame identifier
-            'bbox': [int],  # Speaker bounding box coordinates
+            'bbox': [int],  # [x_top, y_top, x_bottom, y_bottom]
         }
     ],
     'harmful_utterance_id': [int],  # List of utterance IDs identified as harmful