update for initial release

.gitignore

@@ -1,3 +1,2 @@
 /build/**/*
-!/build/**/*.uf2
 /external/**/*

README.md

@@ -12,9 +12,12 @@ graphical interface served on the webpage.
 
 ## Setup
 
-Flash the [webkeyboard.uf2](build/webkeyboard.uf2) file onto
-the Raspberry Pi Pico W and connect the Raspberry Pi Pico W with a micro USB
-cable to the host computer or other device.
+Download the webkeyboard.uf2 file from the latest
+[release](https://git.kkozai.com/kenji/webkeyboard/releases) and flash
+onto the Raspberry Pi Pico W by holding down the BOOTSEL button while plugging
+into your computer so that it appears as a USB drive, then transfer the
+firmware file onto the Pico W. After unmounting, connect the Raspberry Pi Pico
+W with a micro USB cable to the host computer or other device.
 
 On initial boot, the Raspberry Pi Pico W will enter Access Point mode with
 SSID "picokb" and password "password". Connect to this network with another
@@ -28,7 +31,7 @@ Browse back to the main UI page at http://192.168.0.1 and press
 "Reboot". The device should automatically connect to the network with the
 saved information. You can then connect to the device using a web browser
 at the device's assigned IP or hostname by accessing http://IP_ADDRESS or
-http://HOSTNAME (http://picokb is no hostname is set).
+http://HOSTNAME (http://picokb if no hostname is set).
 
 If the Pico W fails to connect to the saved Wi-Fi network, it will once again 
 enter Access Point mode, and you can connect to the device directly to modify