Update README.md

README.md

@@ -54,10 +54,11 @@ $ pip install -U -r requirements.txt
 
 Inference can be run on most common media formats. Model [checkpoints](https://drive.google.com/open?id=1Drs_Aiu7xx6S-ix95f9kNsA6ueKRpN2J) are downloaded automatically if available. Results are saved to `./inference/output`.
 ```bash
-$ python detect.py --source file.jpg  # image 
+$ python detect.py --source 0  # webcam
+                            file.jpg  # image 
                             file.mp4  # video
-                            ./dir  # directory
+                            path/  # directory
-                            0  # webcam
+                            path/*.jpg  # glob
                             rtsp://170.93.143.139/rtplive/470011e600ef003a004ee33696235daa  # rtsp stream
                             http://112.50.243.8/PLTV/88888888/224/3221225900/1.m3u8  # http stream
 ```