Update README.md

README.md

@@ -81,15 +81,16 @@ Games that don't work properly:
 
 
 (* input devices can get mixed-up in ACC; best have only the wheel-base connected and always use the same USB-slot)   
-(** uses experimental FF_FRICTION effect)
+(** uses experimental FF_FRICTION effect)   
 (*** unsure if all effects are present)   
 
 ### Device specific
 
-Advanced functions of wheels/bases are available via sysfs. Base sysfs path:
+Advanced functions of wheels/bases are available via sysfs. Generally, these files should be writable by users in the `games` group. Base sysfs path:
 
 `/sys/module/hid_fanatec/drivers/hid:fanatec/0003:0EB7:<PID>.*/`
 
+
 #### Common
 
 * Set/get range: echo number in degrees to `range`