updated readme

Author: Sebastian Pichelhofer

README.md

@@ -72,10 +72,10 @@ Note that with the current hardware the PICKit2 needs to stay connected for norm
 - Acquire binary or build from source from: <https://github.com/sergev/pic32prog> to flash with PICKit2
 - run **pic32prog yourfile.hex** and you should see a progress bar of the flashing/verification process
 
-If ```pic32prog``` only works with ```sudo``` add your user to the plugdev group and add the following udev rule to /etc/udev/rules.d/26-microchip.rules and reboot:
+If ```pic32prog``` only works with ```sudo``` add your user to the plugdev group and add the following udev rule to /etc/udev/rules.d/26-microchip.rules (create file if it does not exist) and reboot:
 
 ```
-edit the file: ATTR{idVendor}=="04d8", MODE="664", GROUP="plugdev"
+ATTR{idVendor}=="04d8", MODE="664", GROUP="plugdev"
 ```
 
 The idVendor should be looked up with ```lsusb```, in case of the PICkit2 it looks like this: