Update README.md

README.md

@@ -37,7 +37,7 @@ Each row has exactly four columns:
 | `keypoint_scores` | `float32[17]` | Confidence score for each keypoint. |
 
 
-For missing detections, `bboxes_xyxy` and `keypoints_xy` contain NaN coordinates, `bbox_scores` is `0.0`, and `keypoint_scores` contains zeros.
+**For missing detections, `bboxes_xyxy` and `keypoints_xy` contain NaN coordinates, `bbox_scores` is `0.0`, and `keypoint_scores` contains zeros.**
 
 ## Keypoint order