Update README.md

fix link to David Stein's blog

README.md

@@ -4,5 +4,5 @@ This will read out the load averages on an i2c connected 16x2 lcd screen on the
 # Installation
 This program uses David Stein's fireonion_i2c_lcd Python library to interface with a 16x2 LCD Screen.
 It can be found at https://bitbucket.org/fires/fireonion_i2c_lcd and more information can be found on
-his blog at https://bitbucket.org/fires/fireonion_i2c_lcd. Note that to use fireonion_i2c_lcd and subsequently
+his blog at http://davidstein.cz/2016/03/13/onion-io-i2c-lcd-16x220x4-backpack-library/. Note that to use fireonion_i2c_lcd and subsequently
 this program, the pyOnionI2C library is required and can be installed through opkg.