Update file README.md

README.md

@@ -302,7 +302,7 @@ python detect.py --weights yolov5/runs/train/<EXP_NB>/weights/best.pt --imgsz <i
 --sound: Enable sound. Default is False. Action 'store_true'.
 --low: Low pass filter value
 --high: High pass filter
---camp: Colormap for the Spectrograms
+--cmap: Colormap for the Spectrograms
 ```
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