diff --git a/README.md b/README.md
index 09b370c..3db003d 100644
--- a/README.md
+++ b/README.md
@@ -268,7 +268,7 @@ You should be able to detect the chip from Simplicity Studio and program it if e
 
 ### U2F Zero "Installation"
 
-It is a HID device so no drivers are needed.  It should work out of the box with OS X or Windows.  But it may only be accessible to root user at first on Linux.  Just add the following file `70-u2f.rules` and add the following entry:
+It is an HID device so no drivers are needed.  It should work out of the box with OS X or Windows.  But it may only be accessible to root user at first on Linux.  Just add the following file `70-u2f.rules` to `/etc/udev/rules.d/` and add the following entry:
 
 ```
 KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="8acf", TAG+="uaccess"