Set blog URL

suzukieng · suzukieng · commit f0a01bc43ae2 · 2017-02-10T14:55:15.000+01:00
diff --git a/README.md b/README.md
@@ -2,4 +2,5 @@
 
 esp32-ota-https is a demo application that shows how to securely download new firmware images to an ESP32 board. 
 
-More information is available on our blog: https://blog.classycode.com/TODO
+More information is available on our blog: https://blog.classycode.com/secure-over-the-air-updates-for-esp32-ec25ae00db43 
+
