prints even better

README.md

@@ -1,9 +1,16 @@
 #Pin Print Python
 
+prints the publication with
+
+```bash
+python3 print.py
+```
+
+
 takes an image (currently img.img) converts it to bitmap and prints it on the pin printer
 
 run
 
 ```bash
-python3 print.py > /dev/usb/lp0
+python3 print_image.py --img /path/to/img
 ```