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 evhz
 ====
 
-Display the current mouse refresh rate under evdev linux system.
+Display the current mouse refresh rate under linux with evdev.
+
+For information about polling rate, see https://wiki.archlinux.org/index.php/Mouse_Polling_Rate
+
+The program is just evhz.c. Compile and run:
+
+    gcc -o evhz evhz.c
+    sudo ./evhz
+
+Nonverbose mode = -n
+
+Maintainer: Ian Kelling <ian@iankelling.org>
+
+Bugs, patches, requests, feedback are welcome.
+
+Last tested 7/2016 on Debian testing. Still working great after several
+years.